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Single Variable Calculus

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Inversely Exponential

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SVCALC-KCGW1D

What is the inverse function of

$$y={ e }^{ x }$$

A

${ y }=-{ e }^{ x }$

B

${ y }=-\cfrac { 1 }{ { e }^{ x } } $

C

${ y }=\ln { x } $

D

${ y }=\ln {e } $

E

The inverse does not exist.