### Home > CALC > Chapter Ch3 > Lesson 3.3.4 > Problem 3-135

3-135.

If *f*(*x*) is increasing, then slopes are positive so *f* '(*x*) > 0.

Use the Power Rule to find *f* '(*x*).

Solve the inequality: *f* '(*x*) > 0.

3-135.

If *f*(*x*) is increasing, then slopes are positive so *f* '(*x*) > 0.

Use the Power Rule to find *f* '(*x*).

Solve the inequality: *f* '(*x*) > 0.