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# Interpreting Graph of First Derivative

APCALC-THKXX8

Given the graph of $f^{\prime}(x)$ below, determine which of the following statements are true.

I. $f$ is differentiable on $(-1,3)$.

II. $f(2)$ is an absolute maximum on $[1,3]$

III. $f$ is concave down on $(-1,3)$.

A

I only.

B

II only.

C

I and II only.

D

I, II, and III.