Suppose That the Functions F and G and Their Derivatives $1 / \mathrm { f } ^ { 2 } ( \mathrm { x } ) , \mathrm { x } = 4$

Multiple Choice

Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of
x. Find the derivative with respect to x of the given combination at the given value of x.
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$1 / \mathrm { f } ^ { 2 } ( \mathrm { x } ) , \mathrm { x } = 4$

A) $- \frac { 2 } { 27 }$
B) $\frac { 10 } { 27 }$
C) $- \frac { 10 } { 27 }$
D) $- \frac { 2 } { 125 }$