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# Derivative of an Exponential Function $15e^x$

APCALC-UZV2BS

What is the derivative of $f( x ) ={ 15e }^{ x },$ with respect to $x$?

A

$f^{ \prime }( x ) ={ 15/( xe ) }$

B

$f^{ \prime }( x ) ={ 15e }^{ x }$

C

$f^{ \prime }( x ) ={ 15x/e }$

D

$f^{ \prime }( x ) ={ 15/e }$