### Home > APCALC > Chapter 3 > Lesson 3.3.4 > Problem 3-135

3-135.

If a function is increasing, such as the one at right, what must be true about

*?*

Explain your idea using the graph at right.

Use your idea to algebraically determine where

is increasing.

If is increasing, then slopes are positive so

*.*

Use the Power Rule to find .

Solve the inequality: .