AP Calculus ABeasymcq1 pt

If f(x)=6x12f''(x)=6x-12, then ff has a point of inflection at x=x=

A.1212
B.22
C.2-2
D.There is no point of inflection.

Explanation

Core Concept

f(2)=6(2)12=0f''(2)=6(2)-12=0, and ff'' changes from negative (for x<2x<2) to positive (for x>2x>2). So ff has a point of inflection at x=2x=2.

Correct Answer

B22

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