### Home > CALC > Chapter 8 > Lesson 8.1.6 > Problem 8-63

8-63.

At which point(s) on , graph below, do the following situations occur?

andare both positiveTranslation: slope of

is positive ANDis 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.