### Home > APCALC > Chapter 5 > Lesson 5.1.3 > Problem 5-25

5-25.

Use the graphs of and

*below to determine the*

*-values of all local minima, maxima, and points of inflection.*

will be increasing where

*is positive, and vice versa.*

*will be concave up where*

*has positive slopes, and vice versa.*

Local max at ;

*changes from positive to negative.*

Inflection points at

*;*

*changes slope.*

Local min at

*changes from negative to positive.*

See the hint in part (a).