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Fantom [35]
3 years ago
15

Find f o g and g o f to determine if f and g are inverse functions. If they are not inverses, pick the function that would be th

e inverse with f(x). F(x) = -4x + 1; g(x) = (x+1)/4 Choices: a. G(x) has to be: (1-x)/4 b. Inverses c. G(x) has to be: 1/(4 - x) d. G(x) has to be: x/4
Mathematics
1 answer:
melamori03 [73]3 years ago
6 0

Answer:

G(x) = (1 - x)/4

is the inverse function required.

Step-by-step explanation:

Given F(x) = -4x + 1

Let y = F(x)

Then y = -4x + 1

=> y - 1 = -4x

4x = 1 - y

x = (1 - y)/4

That is, the inverse is (1 - x)/4

Therefore, G(x) has to be (1 - x)/4

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Kenna's is earning money. The following equation models her earnings: y=55x+1300
labwork [276]

Answer:

In 14 weeks, they will have the same earnings.

Step-by-step explanation:

y = 55x + 1300 -------- (1)

y = 25x + 1720 -------- (2)

(2) = (1)

55x + 1300 = 25x +1720

55x - 25x = 1720 - 1300

30x = 420

30x ÷ 30 = 420 ÷ 30

x = 14

5 0
3 years ago
Justin's hair is 314314 inches long. How long will it be in 22 months if it grows 1212 inch each month? Which method will NOT gi
scZoUnD [109]
3 1/4 inches long,
1/2 inch in 1 month1 inch in 2 months
The answer is, 3 1/4 inches + 1 inch = 4 1/4
4 0
3 years ago
an automobile has 20 inch diameter wheels if the wheels revolved three times after the brakes were applied, the stopping distanc
Marrrta [24]

Answer:

188.49

Step-by-step explanation:

use the diameter to find the circumference..

C = d pi          or C = 2r pi

when you plug in 20, you get 62.83

now take that, and multiply it by 3, because the wheels went around three times.

62.83 * 3 = 188.49  inches

i hope this was helpful to you!

stay safe!!

:)

4 0
3 years ago
-2+4(-5+2m)=5(4-2m)+5m
kenny6666 [7]

-2+4(-5+2m)=5(4-2m)+5m\ \ \ \ |\text{use distributive property}\\\\-2+(4)(-5)+(4)(2m)=(5)(4)+(5)(-2m)+5m\\\\-2-20+8m=20-10m+5m\\\\(-2-20)+8m=20+(-10m+5m)\\\\-22+8m=20-5m\ \ \ \ |+22\\\\8m=42-5m\ \ \ \ \ \ |+5m\\\\13m=42\ \ \ \ \ |:13\\\\\boxed{m=4}

7 0
3 years ago
Read 2 more answers
The equation y = 1/4x represents a proportional relationship. What is the constant of proportionality?
Andrew [12]

Answer:

[see below]

Step-by-step explanation:

The equation is in the form:

y = kx

Where k is the constant of proportionality.

Since 1/4 is in k's spot, the constant of proportionality should be '1/4'.

Hope this helps.

4 0
3 years ago
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