Let $f ( x ) = \frac { \frac { 3 } { 2 x } + \frac { 1 } { 2 } } { 3 + x }$

Multiple Choice

Let $f ( x ) = \frac { \frac { 3 } { 2 x } + \frac { 1 } { 2 } } { 3 + x }$ Which of the following is true for $\lim _ { x \rightarrow - 3 } f ( x )$ ?

A) $- \frac { 1 } { 4 }$
B) $- \frac { 1 } { 6 }$
C) $\frac{1}{4}$

D) $\frac { 1 } { 6 }$
E) Does not exist