- $$g ( x ) = \frac { x } { x + 3 }$$

Multiple Choice

$\text { Use the formula } f ^ { \prime } ( x ) = \lim _ { z \rightarrow x } \frac { f ( z ) - f ( x ) } { z - x } \text { to find the derivative of the function. }$
- $$g ( x ) = \frac { x } { x + 3 }$$

A) $\frac { x ^ { 2 } } { x + 3 }$
B) $\frac { x } { ( x + 3 ) ^ { 2 } }$
C) $\frac { 3 } { ( x + 3 ) ^ { 2 } }$
D) $- \frac { 3 } { ( x + 3 ) ^ { 2 } }$