### Home > CCA > Chapter 1 > Lesson 1.2.5 > Problem 1-81

1-81.

Is the relation a function?

Does there appear to be more than one

*y*-value for each value of*x*?Yes, it is a function.

What is the domain?

Look at the

*x*-intercepts on the graph.−6 ≤

*x*≤ 6What is the range?

Look at the lowest and highest points on the graph.

−4 ≤

*y*≤ 4