Given:
The different relations in the options.
To find:
The relation which represents a function.
Solution:
A relation is called a function if there exist a unique output (y-value) for each input (x-value).
In option A, there exist two outputs y=7 and y=1 for a single input x=-1. So, this is not a function.
In option B, there exist two outputs y=-5 and y=2 for a single input x=-1. So, this is not a function.
In option C, there exist two outputs y=2 and y=4 for a single input x=3. So, this is not a function.
In option D, there exist only one value of y for each x. So, this is a function.
Therefore, the correct option is D.
Answer:
D
Step-by-step explanation:
you probalby just want the answer
The movie starts at 3:15 p.m. and ends at 5:08 p.m. How long is the movie?
Answer:
1 hour and 53 minutes
Step-by-step explanation:
Your welcome
49 = -5n – 2n
I think I know the answer but just wanna be sure?
Answer:
n = -7
Step-by-step explanation:
49 = -5n - 2n
combine like terms
-5 - 2 = -7
49 = -7n
divide both sides by -7
49/-7 = -7n/-7
49/-7 = n
49/-7 = -7
-7 = n
Is the binomial a factor of the polynomial function?
f(x)=x^3+4x^2-25x-100
Select Yes or No for each binomial.
Binomial Yes No
(x-5)
(x+2)
(x-4)
binomial (x+11) answer
What is the explicit formula for the geometric sequence with this recursive formula? { a1 = -7 an = an-1 • (1/3)
9514 1404 393
Answer:
an = -7(1/3)^(n-1)
Step-by-step explanation:
The explicit formula for a geometric sequence with first term a1 and common ratio r is ...
an = a1·r^(n-1)
The multiplier in the recursion relation is the common ratio: 1/3. The first term is given as a1 = -7. Putting these in the general formula, we have ...
an = -7·(1/3)^(n-1)
What’s the answer for step 5 and 6
Answer:
Step-by-step explanation:
Step 4) AW = PW
Step 5) ΔAWB ≅ ΔPWR {A A S}
Step 6) RW ≅ BW {corresponding sides of congruent triangles are congruent}
A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas is 4:5. What is the ratio of the nunber of flour tortills to the total number of tortillas?
Answer:
Pretty sure 5:9.
Step-by-step explanation:
The total tortillas are 9. The total number of flour tortillas is 5. You get 5:9.
Hope I helped! :) Sorry if it's wrong :( Have an amazing day!!
Answer:
Step-by-step explanation:
I don't think you've provided the correct information. When you write the ratio of corn tortillas is 4:5, it doesn't make sense. It should be a ratio of one thing to another. Is it a ratio of corn tortillas to flour tortillas?
What is the value of b?
Answer:
interior angle of a hexagon = 720
straight line is a 180 degree angle.
180- 116 = 64
a=64
180- 82 = 98
116 + 98 + 90 = 304
720 - 304 = 416
416/3 =138.666666
b=138.666666
that's as far as I could get not 100%
A cable car suddenly slackens while crossing an 86 m wide gorge. The cable makes an angle of depression of 57 degrees at one end and 40 degrees at the other end. How long is the cable that holds the car?
Answer:
I took the test its 63
Step-by-step explanation:
please mark brainliest
Write two different congruent statements that indicate the triangles in each pair are congruent (ODD NUMBERS ONLY) the odd number question
Answer:
Step-by-step explanation:
9) RS ≅ HG ; RT ≅ HF ; ST ≅ GF
ΔRST ≅ ΔHGF Side side Side congruent
RS ≅ HG ; ∠R ≅ ∠H ; RT ≅ HF
ΔRST ≅ΔHGF Side Angle Side congruent
11) QP ≅ QK ; ∠K ≅ ∠ P ; KR ≅ PR
ΔQPR ≅ ΔQKR Side Angle Side congruent
QP ≅ QK ; PR ≅ KR ; QR ≅ QR
ΔQPR ≅ ΔQKR Side Side Side congruent
The students in a class were each asked to name their favorite meal of the day. The results are shown in this percentage bar graph. Which table could be represented by the percentage bar graph?
Answer:
bar graph??? we need a pic
The requried table that represents the bar graph is table H.
What is the percentage?The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.
Here,
The total number of students is 30,
Now,
10% of students take lunch,
So the number of students who take lunch,
= 10% of 30
= 3
Similarly,
Number of students who takes Breakfast = 9
Number of students who takes super = 18
Thus, the requried table that represents the bar graph is table H.
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What is the slope of the line graphed on the coordinate plate? (1,-2) (0,6)
Answer:
m = -8 (Two points slope form)
Step-by-step explanation:
y = -8x + 6
write an equation that describes the function
Answer:
x+7
Step-by-step explanation:
Hope this helps!
Please mark me brainliest if possible. :)
Justin has 58 stickers. If he gives 8 stickers to each of his 7 friends, how many stickers will Justin have left?
Answer:
2 stickers
Step-by-step explanation:
We multiply his 7 friends by 8 (stickers given to each friend) to get 56 stickers given total.
We subtract 56 from 58 to get 2 stickers remaining for Justin.
Step-by-step explanation:
Justin is giving out 8 stickers to 7 of his friends
To find out how many stickers he passed out, you would need to do 7×8
7×8 = 56
Now you want to subtract 56 from 58 to figure out how many stickers he had left
58 - 56 = 2
Justin is left with 2 stickers
I am sorry if this didn't make sense
I hope this helps!!!!
Pythagorean theorem question:)
Answer:
14.21
Step-by-step explanation:
u see this is how the Pythagorean theorem works a^2 + b^2 = c^ i hope this helps have a great day bye please mark as brainliest :D
A gardening club has 21 members, of which 13 are males and the rest are females. What is the ratio of females to all
Club members.
Answer:
There are 8 Females out of the 21
Add the two expressions.
−4.2x+3 and 2.5x−6
Estimate the sum of 6107 and 2960 to the nearest thousand.
How u do this
Answer:
9,000
Step-by-step explanation:
You would add it together.
6107 + 2960 = 9,067
You round the thousand (9) to the 0.
The rule is that if any number next to the one your rounding is higher then 5 or is 5 then the rounding number will go up, if its 4 or below if won't go up but stay the same.
9,067 would not go up but stay the same because of the rule.
Estimations are guesses from the mind so an exact answer wouldn't work but its whatever.
1. What is the range of y = x2 - 1, given the domain of (-2,-1, 0, 1, 2}?
I
I'm tryna figure out the same question
i am thinking of a number x. What algebraic expression represents "eight less than three times this number "?
Answer:
3x-8
Step-by-step explanation:
3x is three times the number, -8 is 8 less.
What's -3(x – 4) =
A. -3x + 12
B. -3x + 4
C. -3x - 4
D. -3x - 12
Answer:
Step-by-step explanation:
-3(x-4)= multiply -3 with each term in parenthesis
-3x+12 choice A
Steven hiked 3/8 mile in 1/4 hour. How fast did he hike, in miles per hour?
3/23
2/3
1 1/2
4
A JIT system uses kanban cards to authorize movement of incoming parts. In one portion of the system, a work center uses an average of 105 parts per hour while running. The manager has assigned an inefficiency factor of .35 to the center. Standard containers are designed to hold 3 dozen parts each. The cycle time for parts containers is about 90 minutes. How many containers are needed
Answer: 6 Containers are needed
Step-by-step explanation:
The ideal number of Kanban cards can be calculated using the following formula;
N = (DT × ( 1 + X)) / C
where N is total number of container,
D is panned usage rate of using work Centre
T is Average waiting time for replenishment of parts plus average production for a container of parts,
X is policy variable set by management that reflects possible inefficiency in the system ,
C is capacity of standard container.
Now, given that;
D = 105 parts
T = 90min = 90/60 = 1.5 hrs
X = 0.35
C = 3 × 12parts = 36 parts
so; we substitute
N = (105×1.5 × ( 1 + 0.35)) / 36
N = 212.626 / 36
N = 5.9063 ≈ 6
Therefore 6 Containers are needed
Definition: This is an approximate calculation of quantity or degree or worth.
Example: Bill Gates net worth is about 75 billion dollars.
Answer:
estimation
Step-by-step explanation: Just got it correct thanks to the person in the other answers comments
Katrina drinks 0.5 gallons of water per day. Which expression shows how to find the number of cups of water she
drinks ina week?
There are 16 cups in a gallon
Answer:
7×0.5= 3.5 cups of water
Step-by-step explanation:
7×0.5 is the expression used to find how many cups she drank in a week
Taylor bought a painting for 1 million yen
Answer:
Yen is the currency of Japan
What is the inverse of the function f(x) = 1/4x-12?
Answer:
[tex]\huge\boxed{f^{-1}(x)=4x+48}[/tex]
Step-by-step explanation:
In order to find the inverse of a function, we need to follow a couple of steps.
Step 1: Write the function as [tex]y=mx+b[/tex] Step 2: Swap all x and y values Step 3: Solve for y Step 4: Replace y with [tex]f^{-1}(x)[/tex]We can follow these steps to find the inverse of this function.
Step 1: We can just replace the f(x) with y, making our function [tex]y=\frac{1}{4}x-12[/tex].
Step 2: We can swap where the x and y values are, making our equation
[tex]x = \frac{1}{4}y-12[/tex]
Step 3: We can now solve for y.
[tex]x = \frac{1}{4}y-12[/tex] [tex]x + 12 = \frac{1}{4}x[/tex] [tex]4x+48 =y[/tex]We now have the function as [tex]y = 4x+48[/tex].
Step 4: We can now replace the y with [tex]f^{-1}(x)[/tex].
[tex]f^{-1}(x) =4x+48[/tex]
Therefore the inverse of [tex]f(x) = \frac{1}{4}x-12[/tex] is [tex]f^{-1}(x) =4x+48[/tex].
Hope this helped!
I need this ASAP
A= Y=6+x
B =y=6-x
C= y=x-6
D= y=6x
Answer:
A
Step-by-step explanation:
i thank
When this 3-digit number is rounded to the nearest hundred, it rounds to 400. The digit in the ones place is the fourth odd number you count beginning with 1. The sum of the digits is 12. What is the number?
Answer: 417
Step-by-step explanation:
Since the digit in the ones place is the fourth odd number that the person count beginning with 1, then the digit will be 7.
This means the number will be:
____ _____ 7. The number in the units and hundreds place are still unknown. But since the addition of the three numbers gives 12, and approximating to the nearest hundred gives 400. Then the number will be 417.
Check: 4 + 1 + 7 = 12
417 = 400 to nearest hundred
A garden has the form of a right triangle. One leg of the triangle is formed by a 2000-ft long sea wall. The hypotenuse of the triangle is 400 ft longer than the other leg. What are the dimensions of the garden?
Answer:
[tex]H = 5200[/tex] - Hypotenuse
[tex]S_1 = 2000[/tex] - Leg 1
[tex]S_2 = 4800[/tex] - Leg 2
Step-by-step explanation:
Represent the dimensions as:
[tex]H = Hypotenuse[/tex]
[tex]Other\ Legs = \{S_1,S_2\}[/tex]
So, we have:
[tex]S_1 = 2000[/tex]
[tex]H = 400 + S_2[/tex]
Required
Determine the dimensions
Apply Pythagoras theorem
[tex]H^2 = S_1^2 + S_2^2[/tex]
This gives:
[tex](400 + S_2)^2 = 2000^2 + S_2^2[/tex]
Open bracket
[tex]160000 + 800S_2 + S_2^2 = 4000000 + S_2^2[/tex]
[tex]160000 + 800S_2 = 4000000[/tex]
Collect Like Terms
[tex]800S_2 = 4000000 - 160000[/tex]
[tex]800S_2 = 3840000[/tex]
Solve for S2
[tex]S_2 = \frac{3840000}{800}[/tex]
[tex]S_2 = 4800[/tex]
Recall that:
[tex]H = 400 + S_2[/tex]
[tex]H = 400 + 4800[/tex]
[tex]H = 5200[/tex]
Hence, the dimensions are:
[tex]H = 5200[/tex]
[tex]S_1 = 2000[/tex]
[tex]S_2 = 4800[/tex]
Estimate the sum by rounding each number to the nearest tenth: 0.214 +0.61
The estimate of the sum by rounding each number to the nearest tenth is 0.8
How to estimate the sum by rounding each number to the nearest tenth?Estimation is a method used for calculating the approximate value of a quantity (just to get a 'rough answer')
In estimation 1, 2,3, and 4 are rounded down while 5, 6, 7, 8 and 9 are rounded up.
Rounding each number to the nearest tenth:
0.214 = 0.2
0.61 = 0.6
The sum = 0.2 + 0.6 = 0.8
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