Moderate# Graph Of Derivative

APCALC-FLBJUB

Given the graph of $f^\prime(x)$, determine which of the following statements must be true.

I. $f(x)$has a relative minimum at $x=-5/3$.

II. $f(x)$is concave down on the interval $(-2,2)$.

III. $f(x)$is differentiable on the interval $(-3,3)$.