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AP® Calculus AB-BC

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Difficult

Find The Derivative

APCALC-BJENHS

$\lim _{ x\xrightarrow { } 0 }{ \cfrac { { e }^{ 4x }-1 }{ x } } = \ \ ?$

A

Undefined.

B

$0$

C

$1$

D

$4$