AP Calculus ABeasymcq1 pt

If f(x)=e4xf(x)=e^{4x}, then f(x)=f'(x)=

A.e4xe^{4x}
B.4ex4e^x
C.4xe4x14xe^{4x-1}
D.4e4x4e^{4x}

Explanation

Core Concept

The chain rule multiplies e4xe^{4x} by the derivative of 4x4x. That gives e4x4=4e4xe^{4x}\cdot 4=4e^{4x}.

Correct Answer

D4e4x4e^{4x}

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