Below is the graph of ** the derivative ** f'(x) of a function
defined on the interval (0,8). You can click on the graph to see a larger
version in a separate window.

Refer to the graph to answer each of the following questions. For part
(A), use interval notation to report your answer. (If needed, you
use ** U ** for the union symbol.)

(A) For what values of

Answer:

(B) Find all values of

Inflection Points:

You can earn partial credit on this problem.