Find the Function Value $$f ( x ) = \frac { x - 3 } { 2 x } ; f ( - 3 )$$

Multiple Choice

Find the function value.
- $$f ( x ) = \frac { x - 3 } { 2 x } ; f ( - 3 )$$

A) $\frac { 1 } { 2 }$
B) 2
C) 1
D) $- 3$