Find the Domain $$f ( x ) = \frac { - 9 } { x + 3 }$$

Multiple Choice

Find the domain.
- $$f ( x ) = \frac { - 9 } { x + 3 }$$

A) $\{ x \mid x$ is a real number and $x \neq 9 \}$
B) $\{ x \mid x$ is a real number and $x z - 3 \}$
C) $\{ x \mid x$ is a real number and $x \neq 3 \}$
D) $\{ x \mid x$ is a real number and $x \neq - 9 \}$