$$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$$

Multiple Choice

$$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$$
- $$f ( u ) = \frac { 1 } { u } , u = g ( x ) = 5 x - x ^ { 2 } , x = 1$$

A) $- \frac { 1 } { 3 }$
B) $\frac { 1 } { 3 }$
C) $\frac { 3 } { 16 }$
D) $- \frac { 3 } { 16 }$