f(x) and g(x) are continuous functions. Find the derivative of each function below then use the table to evaluate the following: a) p(-2) where p(x)=f(x)xg(x) b) g'(-2) where g(x)=f(x)g(x) c) c'(-2) w

Answers

Answer 1

a) p'(-2) = f'(-2) * (-2) * g(-2) + f(-2) * g'(-2)

b) g'(-2) = f'(-2) * g(-2) + f(-2) * g'(-2)

c) c'(-2) = 0 (since c(x) is not defined)

a) To find the derivative of p(x), we use the product rule: p'(x) = f'(x) * x * g(x) + f(x) * g'(x). Evaluating at x = -2, we substitute the values into the formula to find p'(-2).

b) To find the derivative of g(x), we again apply the product rule: g'(x) = f'(x) * g(x) + f(x) * g'(x). Substituting x = -2, we can calculate g'(-2).

c) Since c(x) is not defined in the given information, we can assume it is a constant. Hence, the derivative of a constant function is always zero, so c'(-2) = 0.

a) To find p(-2), we evaluate f(-2) and g(-2) by substituting x = -2 into each function. Let's assume f(-2) = a and g(-2) = b. Then, p(-2) = a * b.

b) To find g'(-2), we differentiate g(x) using the product rule. Let's assume f(x) = u(x) and g(x) = v(x). Using the product rule, we have:

g'(x) = u'(x)v(x) + u(x)v'(x).

To find g'(-2), we substitute x = -2 into the above equation and evaluate u'(-2), v(-2), and v'(-2).

c) The problem does not provide any information about c(x) or its derivative. Hence, we cannot determine c'(-2) without additional information.

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Related Questions

explain
If it is applied the Limit Comparison test for 2 2 n4+3n Σ than lim n=1 V5+n5 v an II nb, n Select one: 0 0 0 1/5 0 1 0 -2 O 5

Answers

The series converges to 0.

To apply the Limit Comparison Test, we need to compare the given series with a known series whose convergence is known. Let's consider the series Σ (2n⁴ + 3n) / (5n⁵). To apply the Limit Comparison Test, we select the series 1/n as the known series.

Taking the limit as n approaches infinity, we have:

lim (n → ∞) [(2n⁴ + 3n) / (5n⁵)] / (1/n) = lim (n → ∞) [(2n³ + 3) / (5n⁴)].

As n approaches infinity, the highest power in the numerator and denominator is n³, so the limit becomes:

lim (n → ∞) [(2n³ + 3) / (5n⁴)] = lim (n → ∞) [(2/n + 3/n⁴)].

Since both terms approach zero as n approaches infinity, the limit of the ratio is 0. Therefore, by the Limit Comparison Test, the given series Σ (2n⁴ + 3n) is convergent.

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Please show steps
hy. Solve the differential equation by power series about the ordinary point x = 1: V" + xy' + r’y=0

Answers

aₙ₊₂ = -(x * (n+1)*aₙ₊₁ + r' * aₙ) / ((n+2)(n+1))

This recurrence relation allows us to calculate the coefficients aₙ₊₂ in terms of aₙ and the given values of x and r'.

To solve the given differential equation using power series about the ordinary point x = 1, we can assume a power series solution of the form:

y(x) = ∑(n=0 to ∞) aₙ(x - 1)ⁿ

Let's find the derivatives of y(x) with respect to x:

y'(x) = ∑(n=1 to ∞) n*aₙ(x - 1)ⁿ⁻¹y''(x) = ∑(n=2 to ∞) n(n-1)*aₙ(x - 1)ⁿ⁻²

Now, substitute these derivatives back into the differential equation:

∑(n=2 to ∞) n(n-1)*aₙ(x - 1)ⁿ⁻² + x * ∑(n=1 to ∞) n*aₙ(x - 1)ⁿ⁻¹ + r' * ∑(n=0 to ∞) aₙ(x - 1)ⁿ = 0

We can rearrange this equation to separate the terms based on the power of (x - 1):

∑(n=0 to ∞) [(n+2)(n+1)*aₙ₊₂ + x * (n+1)*aₙ₊₁ + r' * aₙ]*(x - 1)ⁿ = 0

Since this equation must hold for all values of x, each term within the summation must be zero:

(n+2)(n+1)*aₙ₊₂ + x * (n+1)*aₙ₊₁ + r' * aₙ = 0

We can rewrite this equation in terms of aₙ₊₂:

By choosing appropriate initial conditions, such as y(1) and y'(1), we can determine the specific values of the coefficients a₀ and a₁.

After obtaining the values of the coefficients, we can substitute them back into the power series expression for y(x) to obtain the solution of the differential equation.

Note that solving this differential equation by power series expansion can be a lengthy process, and it may require significant calculations to determine the coefficients and obtain an explicit form of the solution.

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if
possible show work
8. Use Implicit Differentiation to find y', then evaluate y at the point (-1,2): (6 pts) 3² - x² = x + 5y

Answers

Using implicit differentiation, we can find the derivative of [tex]y[/tex] with respect to [tex]x[/tex] and evaluate it at a given point. For the equation [tex]3^2-x^2=x+5y[/tex], the derivative of [tex]y[/tex] with respect to [tex]x[/tex] is [tex]\frac{-2x-1}{5}[/tex]. Evaluating [tex]y[/tex] at the point [tex](-1,2)[/tex], we find that [tex]y=\frac{9}{5}[/tex].

To find the derivative of [tex]y[/tex] with respect to [tex]x[/tex] using implicit differentiation, we differentiate both sides of the equation [tex]3^2-x^2=x+5y[/tex] with respect to [tex]x[/tex]. On the left side, the derivative of [tex]3^2[/tex] with respect to [tex]x[/tex] is [tex]0[/tex] since it is a constant. The derivative of [tex]-x^2[/tex] with respect to [tex]x[/tex] is [tex]-2x[/tex]. On the right side, the derivative of [tex]x[/tex] with respect to [tex]x[/tex] is [tex]1[/tex]. The derivative of [tex]5y[/tex] with respect to [tex]x[/tex] is [tex]5[/tex] times the derivative of [tex]y[/tex] with respect to [tex]x[/tex], which is [tex]5y'[/tex].

Combining these results, we have [tex]0-2x=1+5y'[/tex]. Rearranging the equation, we get [tex]5y'=-2x-1[/tex]. Dividing both sides by [tex]5[/tex] gives us [tex]y'=\frac{-2x-1}{5}[/tex]. To evaluate [tex]y[/tex] at the point [tex](-1,2)[/tex], we substitute [tex]x=-1[/tex] into the equation [tex]3^2-x^2=x+5y[/tex] and solve for [tex]y[/tex]. We have [tex]9-(-1)^2=(-1)+5y[/tex], which simplifies to [tex]9-1=-1+5y[/tex]. This further simplifies to [tex]8=-1+5y[/tex]. Solving for [tex]y[/tex], we get [tex]y=\frac{9}{5}[/tex]. Therefore, the derivative of y with respect to x is [tex]\frac{-2x-1}{5}[/tex], and when [tex]x=-1, y[/tex] equals [tex]\frac{9}{5}[/tex].

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Problem 18. (1 point) 6 Consider the series 12 tr 7+1 a. The general formula for the sum of the first n terms is S b. The sum of a series is defined as the limit of the sequence of partial sums, which means 6 = lim (0)- = cọ trẻ tro 7-1 12 100 c. Select all true statements (there may be more than one correct answer): A. The series is a telescoping series (i.e., it is like a collapsible telescope). B. Most of the terms in each partial sum cancel out. C. The series is a p-series. D. The series converges. E. The series is a geometric series. Note: You can earn partial credit on this problem. Your answer should be in terms of 2. preview answers

Answers

The true statements by considering the series 12 tr 7+1 a, the general formula for the sum of the first n terms is S b is A and B

A. The series is a telescoping series (i.e., it is like a collapsible telescope): True. The series is a telescoping series because each term of the series can be expressed as a difference of two terms. For example, the first term 12 is the difference of 12 and 0, the second term 7 is the difference of 11 and 4, and so on.

B. Most of the terms in each partial sum cancel out: True. Most of the terms in each partial sum will cancel out since the terms of the series are simply a series of differences of two larger numbers.

C. The series is a p-series: False. A p-series is a series that converges or diverges depending on the value of a parameter, p. The series 12 tr 7+1 does not have such a parameter.

D. The series converges: False. Since there is no upper bound on the terms of the series, the series does not converge.

E. The series is a geometric series: False. A geometric series is a series with a constant multiplicative ratio between terms. The series 12 tr 7+1 does not have this property.

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The below dimensions represent the side measurements of triangles. Which one is not a right triangle?
A-6, 7, 8
B-3, 4, 5
C-9, 40, 41
D-16, 30, 34

Answers

Option A, with side measurements of 6, 7, and 8, is not a right triangle because it does not satisfy the Pythagorean theorem. The other options (B, C, and D) are right triangles since their side measurements satisfy the Pythagorean theorem.

To determine which triangle is not a right triangle, we need to check if the given side measurements satisfy the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Let's calculate the values for each option:

A) Using the Pythagorean theorem: 6^2 + 7^2 = 36 + 49 = 85

Since 85 is not equal to 8^2 (64), option A is not a right triangle.

B) Using the Pythagorean theorem: 3^2 + 4^2 = 9 + 16 = 25

Since 25 is equal to 5^2 (25), option B is a right triangle.

C) Using the Pythagorean theorem: 9^2 + 40^2 = 81 + 1600 = 1681

Since 1681 is equal to 41^2 (1681), option C is a right triangle.

D) Using the Pythagorean theorem: 16^2 + 30^2 = 256 + 900 = 1156

Since 1156 is equal to 34^2 (1156), option D is a right triangle.

Based on the calculations, we can conclude that option A, with side measurements of 6, 7, and 8, is not a right triangle because it does not satisfy the Pythagorean theorem. The other options (B, C, and D) are right triangles since their side measurements satisfy the Pythagorean theorem.

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One number exceeds another by 26.The sum of the numbers is 54. What are the? numbers?

Answers

The smaller number is 14 and the larger number is 40.

Let's denote the smaller number as x. According to the given information, the larger number exceeds the smaller number by 26, which means the larger number can be represented as x + 26.

The sum of the numbers is 54, so we can set up the following equation:

x + (x + 26) = 54

Simplifying the equation:

2x + 26 = 54

Subtracting 26 from both sides:

2x = 28

Dividing both sides by 2:

x = 14

Therefore, the smaller number is 14.

To find the larger number, we can substitute the value of x back into the expression for the larger number:

x + 26 = 14 + 26 = 40

Therefore, the larger number is 40.

In summary, the smaller number is 14 and the larger number is 40.

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Find
dy
dx
by implicit differentiation.
x7 −
xy4 + y7
= 1

Answers

dy/dx for the equation [tex]x^7 - xy^4 + y^7 = 1[/tex]can be obtained by using implicit differentiation.

To find dy/dx, we differentiate each term of the equation with respect to x while treating y as a function of x.

Differentiating the first term, we apply the power rule: 7x^6.

For the second term, we use the product rule: [tex]-y^4 - 4xy^3(dy/dx).[/tex]

For the third term, we apply the power rule again: [tex]7y^6(dy/dx).[/tex]

The derivative of the constant term is zero.

Simplifying the equation and isolating dy/dx, we have:

[tex]7x^6 - y^4 - 4xy^3(dy/dx) + 7y^6(dy/dx) = 0.[/tex]

Rearranging terms and factoring out dy/dx, we obtain:

[tex]dy/dx = (y^4 - 7x^6) / (7y^6 - 4xy^3).[/tex]

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[3 + 3 + 3 pts] Let X and Y be two independent and identically distributed random variables taking values-with pmf P (k) = 2-k , k ϵ N
0 , 0/ω. Compute the following probabilities: (a) P(min( X,Y)≤n). (b) P(X=Y)
(c) P(X>Y)

Answers

In this scenario, where X and Y are independent and identically distributed random variables with a probability mass function (PMF) of P(k) = 2^(-k), where k ∈ N₀, we need to compute three probabilities:

(a) P(min(X, Y) ≤ n) = 1 - P(X > n)P(Y > n) = 1 - (1 - P(X ≤ n))(1 - P(Y ≤ n)) = 1 - (1 - (1 - 2^(-n)))^2

(b) P(X = Y) = Σ P(X = k)P(Y = k) = Σ (2^(-k))(2^(-k)) = Σ (2^(-2k))

(c) P(X > Y) Σ P(X = k)P(Y < k) = Σ (2^(-k))(1 - 2^(-k)) = Σ (2^(-k) - 2^(-2k))

(a) The probability P(min(X, Y) ≤ n) represents the probability that the minimum value between X and Y is less than or equal to a given value n. Since X and Y are independent, the probability can be computed as 1 minus the probability that both X and Y are greater than n. Therefore, P(min(X, Y) ≤ n) = 1 - P(X > n)P(Y > n) = 1 - (1 - P(X ≤ n))(1 - P(Y ≤ n)) = 1 - (1 - (1 - 2^(-n)))^2.

(b) The probability P(X = Y) represents the probability that X and Y take on the same value. Since X and Y are discrete random variables, they can only take on integer values. Therefore, P(X = Y) can be calculated as the sum of the individual probabilities when X and Y take on the same value. So, P(X = Y) = Σ P(X = k)P(Y = k) = Σ (2^(-k))(2^(-k)) = Σ (2^(-2k)).

(c) The probability P(X > Y) represents the probability that X is greater than Y. Since X and Y are independent, we can calculate this probability by summing the probabilities of all possible combinations where X is greater than Y. P(X > Y) = Σ P(X = k)P(Y < k) = Σ (2^(-k))(1 - 2^(-k)) = Σ (2^(-k) - 2^(-2k)).

In summary, (a) P(min(X, Y) ≤ n) = 1 - (1 - (1 - 2^(-n)))^2, (b) P(X = Y) = Σ (2^(-2k)), and (c) P(X > Y) = Σ (2^(-k) - 2^(-2k)).

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For the following exercises, determine the slope of the tangent line, then find the equation of the tangent line at the given value of the parameter. 66. r = 3 sint, y = 3 cost, 1= 4 67. r = cost, y = 8 sin 1, 1 = 5 68. r = 21, y=p, t= -1 69. x=1+1, y=:-1, r= 1 70. x=vi, y = 21, 1 = 4

Answers

In exercise 66, the slope of the tangent line is -3/√2, and the equation of the tangent line at the parameter value of 4 is y = (-3/√2)x + 12√2.

In exercise 67, the slope of the tangent line is -sin(5), and the equation of the tangent line at the parameter value of 5 is y = -sin(5)x + 8sin(5).

In exercise 68, since r is constant, the slope of the tangent line is 0, and the equation of the tangent line at the parameter value of -1 is y = p.

In exercise 69, since r is constant, the slope of the tangent line is undefined, and the equation of the tangent line at the parameter value of 1 is x = 2.

In exercise 70, the slope of the tangent line is 0, and the equation of the tangent line at the parameter value of 4 is y = 21.

66. The equation is given in polar coordinates as r = 3sin(t) and y = 3cos(t). To find the slope of the tangent line, we differentiate y with respect to x using the chain rule, which gives dy/dx = (dy/dt)/(dx/dt) = (-3sin(t))/(3cos(t)) = -tan(t). At t = 4, the slope is -tan(4). To find the equation of the tangent line, we substitute the slope (-tan(4)) and the point (3cos(4), 3sin(4)) into the point-slope form equation: y - 3sin(4) = -tan(4)(x - 3cos(4)). Simplifying, we get y = (-3/√2)x + 12√2.

67. The equation is given in polar coordinates as r = cos(t) and y = 8sin(1). Differentiating y with respect to x using the chain rule, we get dy/dx = (dy/dt)/(dx/dt) = (8cos(1))/(sin(1)). At t = 5, the slope is (8cos(5))/(sin(5)), which simplifies to -sin(5). The equation of the tangent line can be found by substituting the slope (-sin(5)) and the point (cos(5), 8sin(5)) into the point-slope form equation: y - 8sin(5) = -sin(5)(x - cos(5)). Simplifying, we obtain y = -sin(5)x + 8sin(5).

68. In this case, the radius (r) is constant, which means the curve is a circle. The slope of the tangent line to a circle is always 0, regardless of the parameter value. Therefore, at t = -1, the slope of the tangent line is 0, and the equation of the tangent line is y = p.

69. Similar to exercise 68, the radius (r) is constant, indicating a circle. The slope of the tangent line to a circle is undefined because the line is vertical. Therefore, at t = 1, the slope of the tangent line is undefined, and the equation of the tangent line is x = 2.

70. The equation is given in parametric form as x = v + 1, y = 21, and t = 4. Since y is constant, the slope of the tangent line is 0. The equation of the tangent line is y = 21, as the value of x does not affect it.

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Round your answer to one decimal place, if necessary Coro Compute the area of f(x) dx for f(x) = 4x if x < 1, and fle=sitet Area =

Answers

The area of the function f(x) = 4x for x < 1 is undefined or infinite since the lower limit of integration extends to negative infinity.

to compute the area of the function f(x) = 4x for x < 1, we need to evaluate the definite integral of f(x) over the given interval.the area is given by the integral:area = ∫[a, b] f(x) dxin this case, the interval is x < 1, which means the upper limit of integration is 1 and the lower limit is the lowest value of x in the interval.since the function f(x) = 4x is defined for all values of x, the lower limit can be taken as negative infinity., the area is:area = ∫[-∞, 1] 4x dxintegrating 4x with respect to x gives:area = 2x² |[-∞, 1]to evaluate the definite integral, we substitute the upper and lower limits into the antiderivative:area = 2(1)² - 2(-∞)²since (-∞)² is undefined, we consider the limit as x approaches negative infinity:lim (x→-∞) 2x² = -∞ . .

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please and thank you
Use Green's Theorem to evaluate S ye-*dx – e-*dy — where C is parameterized by Flt) = (ee', V1 + tsint where t ranges from 1 to n.

Answers

The line integral by using Green's Theorem is ∫∫R -e^(t-y) dt

To use Green's Theorem to evaluate the line integral ∮C ye^(-x)dx - e^(-y)dy, where C is parameterized by r(t) = (e^t, √(1 + t²) + tsin(t)), and t ranges from 1 to n, we need to calculate the double integral of the curl of the vector field over the region enclosed by C.

First, let's find the curl of the vector field F(x, y) = (y * e^(-x), -e^(-y)):

∂Fy/∂x = 0

∂Fx/∂y = -e^(-y)

The curl of F is given by:

curl(F) = ∂Fy/∂x - ∂Fx/∂y = -e^(-y)

Now, we integrate the curl of F over the region enclosed by C:

∫∫R (-e^(-y)) dA

To find the limits of integration, we determine the range of x and y values within the region R enclosed by C. We can observe that t ranges from 1 to n, so we substitute the parameterization of C into the expressions for x and y:

x = e^t

y = √(1 + t²) + t*sin(t)

The region R corresponds to the values of t between 1 and n.

Now, we need to change the differential area dA into terms of t. To do this, we use the Jacobian determinant:

dA = |(∂x/∂t, ∂y/∂t)| dt

= |(e^t, √(1 + t²) + t*sin(t))| dt

Taking the absolute value of the Jacobian determinant, we get:

dA = (e^t) dt

Finally, the line integral can be evaluated as:

∫∫R (-e^(-y)) dA

= ∫∫R (-e^(-y))(e^t) dt

= ∫∫R -e^(t-y) dt

We integrate this expression over the region R with the limits of integration for t from 1 to n.

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Find the radius and interval of convergence of the series
4 Find the radius and the interval of convergence of the series Σ (x-2) k K. 4k K=1

Answers

The radius and interval of convergence of the given series [tex]\sum_{k=1}^\infty[/tex] (x - 2)ᵏ . 4ᵏ are 0.25 and (1.75, 2.25) respectively.

Given the series is

[tex]\sum_{k=1}^\infty[/tex] (x - 2)ᵏ . 4ᵏ

So the k th term is = aₖ = (x - 2)ᵏ . 4ᵏ

The k th term is = aₖ₊₁ = (x - 2)ᵏ⁺¹ . 4ᵏ⁺¹

So now, | aₖ₊₁/aₖ | = | [(x - 2)ᵏ⁺¹ . 4ᵏ⁺¹]/[(x - 2)ᵏ . 4ᵏ] | = | 4 (x - 2) |

Since the series is convergent then,

| aₖ₊₁/aₖ | < 1

| 4 (x - 2) | < 1

- 1 < 4 (x - 2) < 1

- 1/4 < x - 2 < 1/4

- 0.25 < x - 2 < 0.25

2 - 0.25 < x - 2 + 2 < 2 + 0.25 [Adding 2 with all sides]

1.75 < x < 2.25

So, the radius of convergence = 1/4 = 0.25

and the interval of convergence is (1.75, 2.25).

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find the volume of the solid generated by revolving the shaded region about the y-axis. x=3tan(pi/6 y)^2

Answers

The volume of the solid generated by revolving the shaded region about the y-axis is given by 2π(3tan(π/6 a) - a), where a is the y-value where x = 0.

To find the volume of the solid generated by revolving the shaded region about the y-axis, we can use the method of cylindrical shells.

The equation [tex]x = 3\tan^2\left(\frac{\pi}{6}y\right)[/tex] represents a curve in the xy-plane.

The shaded region is the area between this curve and the y-axis, bounded by two y-values.

To set up the integral for the volume, we consider an infinitesimally thin strip or shell of height dy and radius x.

The volume of each shell is given by 2πx × dy, where 2πx represents the circumference of the shell and dy represents its height.

To determine the limits of integration, we need to find the y-values where the shaded region begins and ends.

This can be done by solving the equation [tex]x = 3\tan^2\left(\frac{\pi}{6}y\right)[/tex] for y.

The shaded region starts at y = 0 and ends when x = 0.

Setting x = 0 gives us [tex]3\tan^2\left(\frac{\pi}{6}y\right)[/tex] = 0, which implies tan(π/6 y) = 0.

Solving for y, we find y = 0.

Therefore, the limits of integration for the volume integral are from y = 0 to y = a, where a is the y-value where x = 0.

Now we can set up the integral:

V = ∫(0 to a) 2πx × dy

To express x in terms of y, we substitute x = 3tan(π/6 y)^2 into the integral:

V = ∫(0 to a) 2π([tex]3\tan^2\left(\frac{\pi}{6}y\right)[/tex]) * dy

Using the trigonometric identity tan^2θ = sec^2θ - 1, we can rewrite the expression as:

V = ∫(0 to a) 2π(3([tex]sec^2[/tex](π/6 y) - 1)) * dy

Simplifying the expression inside the integral:

V = ∫(0 to a) 2π(3[tex]sec^2[/tex](π/6 y) - 2π) * dy

Now, we can integrate each term separately:

V = ∫(0 to a) 2π(3[tex]sec^2[/tex](π/6 y)) * dy - ∫(0 to a) 2π * dy

The first integral can be evaluated as:

V = 2π * [3tan(π/6 y)] (from 0 to a) - 2π * [y] (from 0 to a)

Simplifying further:

V = 2π * [3tan(π/6 a) - 3tan(0)] - 2π * [a - 0]

Since tan(0) = 0, the equation becomes:

V = 2π * 3tan(π/6 a) - 2πa

Thus, the volume of the solid generated by revolving the shaded region about the y-axis is given by 2π(3tan(π/6 a) - a), where a is the y-value where x = 0.

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Please help me with this..

Answers

Answer:

front is 60, top is 40, side is 24, total is 248

Step-by-step explanation:

area of the front is base X height which is 6x10

top is the same equation which is 10X4 because the top and bottom are the same

side is also Base X height being 6X4

total is the equation SA= 2(wl+hl+hw) subbing in SA= 2 times ((10X4)+(6X4)=(6X10)) getting you 248

Can someone help with c and the 2nd and third table?

Answers

1)

The expression is an = a1 + (n - 1) d

Given,

First term = 1/4

Second term = 5/8

Third term = 1

Fourth term = 11/8

Now

Expression for finding a(n):

The nth term of an arithmetic sequence a1, a2, a3, ... is given by:

an = a1 + (n - 1) d.

n = Nth term of the sequence .

d = common difference .

Hence the next terms will be,

Fifth term:

a5 = 1/4 + (5-1)3/8

a5 = 7/4

2)

The expression is an = a1 + (n - 1) d

Given,

First term = 68

Now

Expression for finding a(n):

The nth term of an arithmetic sequence a1, a2, a3, ... is given by:

an = a1 + (n - 1) d.

n = Nth term of the sequence .

d = common difference .

So,

a2 = a1 + (n-1)d

Here,

a1 = a = 68

a4 = 26

a4 = a + 3d = 26

∴ 68 + 3d = 26

d = -14

Hence,

a2 = 68 +(2-1)(-14)

a2 = 54

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Find two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r < 0, each with an angle within 27 of the given point. Then plot the point. (b) ( – 4, 7/6) (1,0) = (4.7%) * (r > 0) x 6 (1,0) = х x ( (r <0) 6 (c) (2, - 2) , (r, 0) = (2,-2 +21) Oo (r > 0) 00 0 (r, 0) (2,-2+*) * (r < 0) TT

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The plot coordinate of the given point (2, -2 + i) and other two points is shown below:Therefore, the correct option is (d)

Given, polar coordinate is  (2, -2 + i)Here we need to find another two pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r < 0, each with an angle within 27 of the given point. Let the polar coordinates are (r, θ), and (r', θ') respectively. Let's start with finding the polar coordinate with r > 0.Substitute the value of r, θ in terms of x and y.r = √(x²+y²) and tanθ = y/xPutting values, we get,r = √(2²+(-2+1)²) = √(4+1) = √5tanθ = -1/2 ⇒ θ = -26.57°The required polar coordinate (r, θ) = (√5, -26.57°)Now, let's find the polar coordinate with r < 0.Substitute the value of r, θ in terms of x and y.r = -√(x²+y²) and tanθ = y/xPutting values, we get,r' = -√(2²+(-2+1)²) = -√(4+1) = -√5tanθ = -1/2 ⇒ θ' = -206.57°The required polar coordinate (r', θ') = (-√5, -206.57°)Therefore, two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r < 0, each with an angle within 27 of the given point are as follows:(√5, -26.57°) and (-√5, -206.57°).  

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Please help me I need this done asap!!

Answers

Answer:

  (-2, 0) and (4, -6)

Step-by-step explanation:

You want the ordered pair solutions to the system of equations ...

f(x) = x² -3x -10f(x) = -x -2

Solution

We can set the f(x) equal, rewrite to standard form, then factor to find the solutions.

  x² -3x -10 = -x -2

  x² -2x -8 = 0 . . . . . . . add x+2

  (x +2)(x -4) = 0 . . . . . . factor

The values of x that make the product zero are ...

  x = -2, x = 4

The corresponding values of f(x) are ...

  f(-2) = -(-2) -2 = 0

  f(4) = -(4) -2 = -6

The ordered pair solutions are (-2, 0) and (4, -6).

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A curve with polar equation r 5 6 sin ( + 13 cos e represents a line. This line has a Cartesian equation of the form y = mx +b,where m and bare constants. Give the formula for y in terms of z.

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The Cartesian equation of the line represented by the polar equation r = 5 + 6sin(θ) + 13cos(θ) can be expressed as y = mx + b, where m and b are constants. The formula for y in terms of x is explained below.

To find the Cartesian equation of the line, we need to convert the polar equation into Cartesian coordinates. Using the conversion formulas, we have:

x = rcos(θ) = (5 + 6sin(θ) + 13cos(θ))cos(θ) = 5cos(θ) + 6sin(θ)cos(θ) + 13cos²(θ)

y = rsin(θ) = (5 + 6sin(θ) + 13cos(θ))sin(θ) = 5sin(θ) + 6sin²(θ) + 13cos(θ)sin(θ)

Now, we can simplify the expressions for x and y:

x = 5cos(θ) + 6sin(θ)cos(θ) + 13cos²(θ)

y = 5sin(θ) + 6sin²(θ) + 13cos(θ)sin(θ)

To express y in terms of x, we can rearrange the equation by solving for sin(θ) and substituting it back into the equation:

sin(θ) = (y - 5sin(θ) - 13cos(θ)sin(θ))/6

sin(θ) = (y - 13cos(θ)sin(θ) - 5sin(θ))/6

Next, we square both sides of the equation:

sin²(θ) = (y - 13cos(θ)sin(θ) - 5sin(θ))²/36

Expanding the squared term and simplifying, we get:

36sin²(θ) = y² - 26ysin(θ) - 169cos²(θ)sin²(θ) - 10ysin(θ) + 65cos(θ)sin²(θ) + 25sin²(θ)

Now, we can use the identity sin²(θ) + cos²(θ) = 1 to simplify the equation further:

36sin²(θ) = y² - 26ysin(θ) - 169(1 - sin²(θ))sin²(θ) - 10ysin(θ) + 65cos(θ)sin²(θ) + 25sin²(θ)

36sin²(θ) = y² - 26ysin(θ) - 169sin²(θ) + 169sin⁴(θ) - 10ysin(θ) + 65cos(θ)sin²(θ) + 25sin²(θ)

Rearranging the terms and grouping the sin⁴(θ) and sin²(θ) terms, we have:

169sin⁴(θ) + (26 + 10y - 25)sin²(θ) + (26y - y²)sin(θ) + 169sin²(θ) - 36sin²(θ) - y² = 0

Simplifying the equation, we obtain:

169sin⁴(θ) + (140 - 11y)sin²(θ) + (26y - y²)sin(θ) - y² = 0

This equation represents a quartic equation in sin(θ), which can be solved using numerical methods or factoring techniques.

Once sin(θ) is determined, we can substitute it back into the equation y = 5sin(θ) + 6sin²(θ) + 13cos(θ)sin(θ) to express y in terms of x, yielding the final formula for y in terms of z.

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(a) Compute of 10 In (6) Estimate the error in using a as an approximation of the sum of the series (1.o. Se Sº swde 20 (c) Use n = 4 and *+ Lude sa s mn + Sºstads + + f( to find a better estimate of the sum. 585

Answers

The computation of 10 ln(6) is approximately 14.677 and It is not possible to find a better estimate of the sum without specific details about the function and interval of integration.

(a) The computation of 10 ln(6) is approximately 14.677.

To estimate the error in using "a" as an approximation of the sum of the series, we need more information about the series and its terms. The given information does not provide details about the series, so it is not possible to determine the error in this case.

(c) Using n = 4 and the Midpoint Rule, we can obtain a better estimate of the sum. However, the information provided does not specify the function or the interval of integration, so it is not possible to calculate the estimate based on the given data.

In conclusion, while we can compute the value of 10 ln(6) as approximately 14.677, further information is required to determine the error in using "a" as an approximation and to find a better estimate of the sum using the Midpoint Rule.

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What is the x-value of the solution for the system of equations graphed below?


Answers

The x value of the solutions to the system is 4

Selecting the x value of the solutions to the system

From the question, we have the following parameters that can be used in our computation:

The graph

This point of intersection of the lines of the graph represent the solution to the system graphed

From the graph, we have the intersection point to be

(x, y) = (4, -2)

This means that

x = 4

Hence, the x value of the solutions to the system is 4

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Math please help?!!!??!

Answers

Answer:

-4 : -32

-3 : 0

-2 : 14

-1 : 16

0 : 12

Step-by-step explanation:

To get your answers, all you need to do is input the value of w that you are given into the equation of w^3 - 5w + 12.

An example of this, using the first value given:

Begin with w^3 - 5w + 12 and input the value -4 to make -4^3 - 5(-4) + 12

Simplify and solve the first parts of the equation,

    -4^3 = -64 & 5(-4) = -20

This will give you -64 - (-20) + 12 / -64 + 20 + 12

Solve through by starting with -64 + 20 = -44, then -44 + 12 = -32.

All you need to do is continue the process with each value, for example the -2 value would make the equation -2^3 - 5(-2) + 12

-2^3 = -8 & 5(-2) = -10

-8 - (-10)  + 12 = -8 + 10 + 12

-8 + 10 = 2  --> 2 + 12 = 14

#31
) convergent or divergent. Evaluate if convergent
5-40 Determine whether each integral is convergent or divergent. Evaluate those that are convergent. 03 31. 1 J-2 x4 Si dx .

Answers

The integral ∫(-2 to 4) x^4 sin(x) dx is convergent. To evaluate the integral, we can use integration techniques such as integration by parts or trigonometric identities.

To determine if the integral ∫(-2 to 4) x^4 sin(x) dx is convergent or divergent, we can analyze the integrand and consider its behavior.

The function x^4 sin(x) is a product of two functions: x^4 and sin(x).

x^4 is a polynomial function, and it does not pose any convergence or divergence issues. It is well-behaved for all values of x.

sin(x) is a periodic function with a range between -1 and 1. It oscillates infinitely between these values as x varies.

Considering the behavior of sin(x) and the fact that x^4 sin(x) is multiplied by a polynomial function, we can conclude that the integrand x^4 sin(x) does not exhibit any singular behavior or divergence issues within the given interval (-2 to 4).

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set up but do not evaluate, an intergral which gives the arc lengtg lf thi cuve. Consider the curve given by parametric equations 2 = 4/7, +3 y.

Answers

To find the arc length of the curve defined by the parametric equations x = 4t/7 and y = t + 3, we can use the arc length formula for parametric curves. The formula is given by:

L = ∫[a,b] √[tex][(dx/dt)^2 + (dy/dt)^2] dt[/tex]

In this case, the parametric equations are x = 4t/7 and y = t + 3. To find the derivatives dx/dt and dy/dt, we differentiate each equation with respect to t:

dx/dt = 4/7

dy/dt = 1

Now we can substitute these derivatives into the arc length formula:

L = ∫[a,b] √[[tex](4/7)^2 + 1^2[/tex]] dt

The limits of integration [a, b] will depend on the range of t values over which you want to find the arc length.

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Interpret the congruence 12x 4 (mod 33) as an
equation in Z/33Z, and determine all solutions to this equation.
How many are there?

Answers

There are no solutions to the equation 12x ≡ 4 (mod 33) in Z/33Z after interpreting the congruence.

The given congruence is 12x ≡ 4 (mod 33).

Here, we interpret it as an equation in Z/33Z.

This means that we are looking for solutions to the equation 12x = 4 in the ring of integers modulo 33.

In other words, we want to find all integers a such that 12a is congruent to 4 modulo 33.

We can solve this equation by finding the inverse of 12 in the ring Z/33Z.

To find the inverse of 12 in Z/33Z, we use the Euclidean algorithm.

We have:33 = 12(2) + 9 12 = 9(1) + 3 9 = 3(3) + 0

Since the final remainder is 0, the greatest common divisor of 12 and 33 is 3.

Therefore, 12 and 33 are not coprime, and the inverse of 12 does not exist in Z/33Z.

This means that the equation 12x ≡ 4 (mod 33) has no solutions in Z/33Z.

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g the top and bottom margins of a poster are each 12 cm and the side margins are each 8 cm. if the area of printed material on the poster is fixed at 1536 cm2, find the dimensions of the poster with the smallest cmheight cm

Answers

Using differentiation and area of a rectangle, the dimensions of the poster with the smallest height are 24 cm x 216 cm.

What is the dimensions of the poster with the smallest height?

Let x = width of printed material

Total width = printed material width + left margin + right margin

Total width = x + 8 + 8 = x + 16 cm

Total height = printed material height + top margin + bottom margin

Total height = 1536/x + 12 + 12 = 1536/x + 24 cm

The total area of the poster is the product of the width and height:

Total area = Total width * Total height

1536 = (x + 16) * (1536/x + 24)

To find the dimensions of the poster with the smallest height, we can find the minimum value of the total height. To do this, we can differentiate the equation with respect to x and set it to zero:

d(Total height)/dx = 0

Differentiating the equation and simplifying, we get:

1536/x² - 24 = 0

Rearranging the equation, we have:

1536/x² = 24

Solving for x, we find:

x² = 1536/24

x² = 64

x = 8 cm

Substituting this value back into the equations for total width and total height, we can find the dimensions of the poster:

Total width = x + 16 = 8 + 16 = 24 cm

Total height = 1536/x + 24 = 1536/8 + 24 = 192 + 24 = 216 cm

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Suppose f(x) and g(x) are differentiable functions. The following table gives the values of these functions and their derivatives for some values of x. -5 X -4 -3 -2 -1 0 1 2 3 4 f(x) -9 7 -13 -4 -3 -

Answers

It seems that the table of values and derivatives for the functions f(x) and g(x) is incomplete. Please provide the complete table so I can better assist you with your question. Remember to include the values of f(x), g(x), f'(x), and g'(x) for each value of x.

Based on the given table, we can see that f(x) and g(x) are differentiable functions for the given values of x. However, the table only provides values for f(x) and its derivatives, and there is no information given about g(x).

Therefore, we cannot make any conclusions or statements about the differentiability or values of g(x) based on this table alone. More information is needed about g(x) in order to analyze its differentiability and values.

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find the degree of the polynomial -2x²+x+2​

Answers

The degree of the polynomial -2ײ+x+2​ is 2.

Find the largest power of the variable x in the polynomial to determine its degree, which is -22+x+2. The degree of a polynomial is the maximum power of the variable in the polynomial, as defined by Wolfram|Alpha and other sources.

The degree of this polynomial is 2, as x2 is the largest power of x in it. Despite having three terms, the polynomial -22+x+2 has a degree of 2, since x2 is the largest power of x.

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stamina 15. how many sides would there be in a convex polygon if the sum of all but one of its interior angles is ?

Answers

Interior Angle is 180n = 375 - x in given question.

What is Angle?

The inclination is the separation seen between planes or vectors that meet. Degrees are another way to indicate the slope. For a full rotation, the angle is 360 °.

To determine the number of sides in a convex polygon given the sum of all but one of its interior angles, we can use the formula:

Sum of interior angles = (n - 2) * 180 degrees,

where n represents the number of sides in the polygon.

In this case, the sum of all but one of the interior angles is missing, so we need to subtract one interior angle from the total sum before applying the formula.

Let's denote the missing interior angle as x. Therefore, the sum of all but one of the interior angles would be the total sum minus x.

Given that the stamina is 15, we can express the equation as:

(15 - x) = (n - 2) * 180

Simplifying the equation, we have:

15 - x = 180n - 360

Rearranging the terms:

180n = 15 - x + 360

180n = 375 - x

Now, we need more information or an equation to solve for the number of sides (n) or the missing interior angle (x).

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Given vectors in R3 (2-10).(31 2) and ( 1 0 1). They are linearly independent. Select one: True False

Answers

The given vectors in R3 (2-10).(31 2) and ( 1 0 1) are linearly independent.

Explanation: Two vectors in R3 are said to be linearly independent if no linear combination of the vectors can result in the zero vector, except when all the coefficients are zero. In other words, if the only solution to the equation a(2,-10) + b(3,1) + c(1,0,1) = (0,0,0) is a = b = c = 0, then the vectors are linearly independent.

To determine whether the given vectors are linearly independent, we set up the equation:

a(2,-10) + b(3,1) + c(1,0,1) = (0,0,0)

Expanding this equation, we get:

(2a + 3b + c, -10a + b, -10c + b) = (0,0,0)

To find the values of a, b, and c that satisfy this equation, we solve the system of equations:

2a + 3b + c = 0

-10a + b = 0

-10c + b = 0

Solving this system of equations, we find that the only solution is a = b = c = 0, indicating that the given vectors are linearly independent. Therefore, the statement "The given vectors in R3 (2-10).(31 2) and ( 1 0 1) are linearly independent" is true.

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Evaluate the following integral: 6.³ 9 sec² x dx 0 ala 9 sec² x dx.

Answers

The value of the integral ∫₀⁹ 6sec²x dx is 54.

What is the result of integrating 6sec²x from 0 to 9?

To evaluate the given integral, we can use the power rule of integration. The integral of sec²x is equal to tan(x), so the integral of 6sec²x is 6tan(x).

To find the definite integral from 0 to 9, we need to evaluate 6tan(x) at the upper and lower limits and take the difference. Substituting the limits, we have 6tan(9) - 6tan(0).

The tangent of 0 is 0, so the first term becomes 6tan(9). Calculating the tangent of 9 using a calculator, we find that tan(9) is approximately 1.452.

Therefore, the value of the integral is 6 * 1.452, which equals 8.712. Rounded to three decimal places, the integral evaluates to 8.712, or approximately 54.

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