### Home > CALC > Chapter 8 > Lesson 8.1.3 > Problem 8-33

8-33.

No calculator! Given *f* (*x*) = *f*(*x*) is concave up. Homework Help ✎

Solve *f* ''(*x*) > 0.

8-33.

No calculator! Given *f* (*x*) = *f*(*x*) is concave up. Homework Help ✎

Solve *f* ''(*x*) > 0.