Find the Domain of the Rational Function $$f ( x ) = \frac { - 3 x ^ { 2 } } { x ^ { 2 } + 9 x - 36 }$$

Multiple Choice

Find the domain of the rational function.
- $$f ( x ) = \frac { - 3 x ^ { 2 } } { x ^ { 2 } + 9 x - 36 }$$

A) $\{ x \mid x \neq - 36,1 \}$
B) $\{ x \mid x \neq 12,3 \}$
C) $\{ x \mid x \neq 12 , - 3 \}$
D) $\{ x \mid x \neq - 12,3 \}$