### Home > AC > Chapter 11 > Lesson 11.2.1 > Problem 11-87

11-87.

To find the domain of each graph, find the possible *x*-values.

To find the range of each graph, find the possible *y*-values.

Domain: All real numbers

Range: *y* ≥ 0

Either the domain or the range is the set of all real numbers.