1. find all the real square roots of 0.081

a. 0.9 and -0.9

b. 0.0405 and -0.0405

c. 0.2846 and -0.2846

d. 0.09 and -0.09

2. find the real-number root

-1.69

a. 1.3

b. -1.3

c. no real-number root

d. -0.845

3. describe the relationship of input and output for composite functions.

4. explain how you know if a radical expression is in simplest form.

5.how can you tell if radicals are like radicals?

6. is the inverse of a function always a function? explain