Find the Domain of the Rational Function $f ( x ) = \frac { 2 x } { - 8 + x }$

Multiple Choice

Find the domain of the rational function.
$f ( x ) = \frac { 2 x } { - 8 + x }$

A) $\{ x \mid x \text { is a real number and } x \neq 0 \}$
B) $\{ x \mid x \text { is a real number and } x \neq 8 \}$
C) $\{ x \mid x \text { is a real number and } x \neq - 8 \}$
D) $\{ x \mid x \text { is a real number and } x \neq 0 , x \neq 8 \}$