Find the Domain of the Rational Function $$h ( x ) = \frac { x + 4 } { x ^ { 2 } + 4 x }$$

Multiple Choice

Find the domain of the rational function.
- $$h ( x ) = \frac { x + 4 } { x ^ { 2 } + 4 x }$$

A) $\{ x \mid x \neq - 2 , x \neq 2 \}$
B) all real numbers
C) $\{ x \mid x \neq - 2 , x \neq 2 , x \neq - 4 \}$
D) $\{ x \mid x \neq 0 , x \neq - 4 \}$