### Home > CAAC > Chapter 12 > Lesson 12.4.2 > Problem 12-79

12-79.

What are all the possible values of x, or the domain of the function?

What are all the possible values of y, or the range of the function?

D: x ≤ 2

R: y ≤ 4

Does each value of x have only one y-value?