AP Calculus ABeasymcq1 pt

If f(x)>0f'(x)>0 and f(x)<0f''(x)<0 on an interval, then the graph of ff on that interval is

A.increasing and concave up.
B.increasing and concave down.
C.decreasing and concave down.
D.decreasing and concave up.

Explanation

Core Concept

f(x)>0f'(x)>0 makes ff increasing, and f(x)<0f''(x)<0 makes the graph concave down.

Correct Answer

Bincreasing and concave down.

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