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 $x=-\frac{5}{3}$.II.$f(x)$is concave down on the interval $(-2,2)$.III.$f(x)$is differentiable on the interval $(-3,3)$.