Chapter 5.4 and 5.6 review

Name:

Matching

Match the function below with its inverse.

a.		e.
b.	, where	f.
c.		g.
d.		h.

Short Answer

Solve the equation. Check your solution(s).

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

Solve

for x. Then find the input(s) when the output is –10.

21.

Solve

for x. Then find the input(s) when the output is –7.

Find the inverse of the function. Then graph the function and its inverse.

22.

23.

24.

Determine whether the inverse of f is a function. Then find the inverse.

25.

26.

27.

28.

29.

The cost c (in dollars) of your trip to an amusement park is

, where r is the number of rides you go on. Find the inverse function. How many rides can you go on if you have $9.00?

.

30.

The height h (in meters) of an object dropped from a 350 meter cliff can be approximated by

, where t is the time (in seconds) since the object was dropped.
a. Find the inverse function. Describe what it represents.
b. How many seconds does it take for the object to hit the ground?