Problems 126 – 135 are based on previously learned material. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections, a final exam, or subsequent courses such as calculus.

For Problems 130 – 135 , use the graph given below.

On which interval(s) is f increasing?

-6 (-5,0) (0,3) (-1,0) y YA 6 (-3,-2) (2,6) y = f(x) (5, 1) 6 X