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8-93.

Multiple Choice: If $f(x) =\frac { e ^ { \sqrt { x } } } { \sqrt { x } }$ , then $f^\prime(x) =$

$0$

$1$

$e ^ { \sqrt { x } }$

$\frac { e ^ { \sqrt { x } } } { x }$

$\frac { e ^ { \sqrt { x } } ( x - \sqrt { x } ) } { 2 x ^ { 2 } }$

Hint:

Use the Quotient Rule, or rewrite $f(x)$ with a negative exponent and then use the Product Rule.

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