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AP® Calculus AB-BC

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Derivative of $-\frac{3}{x^{3}}$

APCALC-5ELFOS

What is the derivative of $f( x ) =-\cfrac{ 3}{x^3 }$ with respect to $x$?

A

$f^{ \prime }( x ) =\cfrac{9}{x^{2}}$

B

$f^{ \prime }( x ) =\cfrac{3}{x^{2}}$

C

$f^{ \prime }( x ) =\cfrac{9}{x^{4}}$

D

$f^{ \prime }( x ) =\cfrac{3}{x^{4}}$