- $$f ( x ) = \frac { 5 } { x + 6 }$$

Multiple Choice

$\text { Use the formula } f ^ { \prime } ( x ) = \lim _ { z \rightarrow x } \frac { f ( z ) - f ( x ) } { z - x } \text { to find the derivative of the function. }$
- $$f ( x ) = \frac { 5 } { x + 6 }$$

A) $\frac { 5 } { ( x + 6 ) ^ { 2 } }$
B) $- \frac { 5 } { ( x + 6 ) ^ { 2 } }$
C) $- \frac { 5 } { ( x + 6 ) }$
D) $- \frac { 5 } { x ^ { 2 } }$