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

12-79.

Examine the graph of the relation below. Homework Help ✎

Use inequalities to name its domain and range.

Is this relation a function? How can you tell?

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?