Find the Derivative of the Function $f ( x ) = \frac { 1 } { x ^ { 4 } }$

question 58

Multiple Choice

Find the derivative of the function. $f ( x ) = \frac { 1 } { x ^ { 4 } }$

• A) \(f ^ { \prime } ( x ) = - \frac { 3 } { x ^ { 5 } }\)
• B) \(f ^ { \prime } ( x ) = - \frac { 4 } { x ^ { 3 } }\)
• C) \(f ^ { \prime } ( x ) = - \frac { 4 } { x ^ { 5 } }\)
• D) \(f ^ { \prime } ( x ) = - \frac { 5 } { x ^ { 5 } }\)
• E)none of the above

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