AP Calculus ABeasymcq1 pt

If f(x)=x32xf(x)=x^3-2x, then f(x)=f''(x)=

A.3x223x^2-2
B.6x26x-2
C.6x6x
D.66

Explanation

Core Concept

Differentiate twice: f(x)=3x22f'(x)=3x^2-2, then f(x)=6xf''(x)=6x. The second derivative kills the constant term.

Correct Answer

C6x6x

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