### Home > APCALC > Chapter 8 > Lesson 8.1.6 > Problem 8-64

8-64.

At which point(s) on the graph of at right, do the following situations occur? Homework Help ✎

andare both positiveTranslation: slope of

*f*(*x*) is positive AND*f*(*x*) is concave up.andare both negativeRefer to the hint in part (a).

is positive andis negativeRefer to the hint in part (a).

is negative andis positivePoints

and.