Lesson 9 Piece Out Practice Understanding

Ready

Use properties of exponents to rewrite the expressions. Write your answers in exponential form with positive exponents.

1.

2.

3.

4.

5.

6.

7.

8.

9.

Set

Write the inverse of the given function with the same representation as the given function.

10.

Function :

Inverse :

11.

Function :

an exponential function going through the points (0,-3) and (2,0)x–10–10–10–5–5–5555101010y–5–5–5555101010000

Inverse :

a blank 17 by 17 grid

12.

Function :

Inverse :

13.

Function :

the graph of x^3x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444000

Inverse :

a blank 17 by 17 grid

14.

Function :

Inverse :

15.

Function :

A parabolic graph starting at (0,0) going through the point (5,25)x111222333444555666y101010202020303030000

Inverse :

a blank 17 by 17 grid

Go

Calculate and for each pair of functions.

16.

;

17.

;

18.

;

19.

;

20.

Look back at your calculations for and . Two of the pairs of equations are inverses of each other. Which pairs do you think they are?

Why?