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AP® Calculus AB-BC

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Moderate

Chain Rule with Quotient Rule

APCALC-7IXIZE

If $y=\cfrac{e^{4x}}{4x}$, then $\cfrac{dy}{dx}=$

A

$\cfrac{4x^2}{e^{4x}(1-4x)}$

B

$\cfrac{e^{4x}(1-4x)}{4x^2}$

C

$e^{4x}$

D

$\cfrac{e^{4x}(4x-1)}{4x^2}$