Function Inverses

Question 1

a = b = c = d = e =

Revolt · Accepted Answer

-3.8; -2.6; 1.7; 4.4; 1

Question 2

⇒ -2.6

Revolt · Accepted Answer

-2.6

Question 3

⇒ 1.7

Revolt · Accepted Answer

1.7

Question 4

⇒ 4.4

Revolt · Accepted Answer

4.4

Question 5

⇒ 1

Revolt · Accepted Answer

1

Question 6

Talib is trying to find the inverse of the function to the right. His work appears beneath it. Is his work correct? Explain your answer.

Revolt · Accepted Answer

No. His rearrangement is correct, but he must switch x and y to write the inverse: f⁻¹(x) = (x - 4)/-8 = (4 - x)/8.

Question 7

Select each graph that shows a function and its inverse.

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-02-05-20-05-task/mr001-1.jpg; Answer image: //media.edgenuity.com/EVresources/3111-02-05-20-05-task/mr001-4.jpg

Question 8

If the graph of an inverse passes the horizontal-line testorigin✔ vertical-line test, you know that the inverse is a function.

Revolt · Accepted Answer

✔ vertical-line test

Question 9

The graph of an inverse is the reflection of the graph of the function over the line x = 0y = 0✔ y = x.

Revolt · Accepted Answer

✔ y = x

Question 10

The composition of a function and its inverse is always –10✔ xy.

Revolt · Accepted Answer

✔ x

Function Inverses Answers

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