Find the Domain of the Function $$f ( x ) = \frac { - 2 x } { x + 3 }$$

Multiple Choice

Find the domain of the function.
- $$f ( x ) = \frac { - 2 x } { x + 3 }$$

A) $( \infty , \infty )$
B) $( \infty , 0 )$ or $( 0 , \infty )$
C) $( \infty, - 3 )$ or $( - 3 , \infty )$
D) $( \infty , - 3 )$