Find the Domain of the Rational Function $f ( x ) = \frac { x } { 7 x - 8 }$

Multiple Choice

Find the domain of the rational function.
$f ( x ) = \frac { x } { 7 x - 8 }$

A) $\left\{ x \mid x \text { is a real number and } x \neq - \frac { 7 } { 8 } , x \neq 0 \right\}$
B) $\left\{ x \mid x \text { is a real number and } x \neq \frac { 7 } { 8 } , x \neq 0 \right\}$
C) $\left\{ x \mid x \text { is a real number and } x \neq \frac { 8 } { 7 } \right\}$
D) $\left\{ x \mid x \text { is a real number and } x \neq - \frac { 8 } { 7 } \right\}$