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# Concavity From a Graph of $f''(x)$

APCALC-RIDB4L

Consider a function $f(x)$ for which the graph of its second derivative is shown.

On which interval(s) is the graph of $f(x)$ concave up?

I. $[0, 2]$
II. $[2, 4]$
III. $[4, 6]$
IV. $[6, 8]$

A

I only.

B

I and IV only.

C

I, III, and IV only.

D

IV only.