Let $f ( x ) = 5 x - 9$ And $g ( x ) = 4 x - 2$

Multiple Choice

Let $f ( x ) = 5 x - 9$ and $g ( x ) = 4 x - 2$ . Find the domain of $\frac { f } { g }$ .

A) $( - \infty , 0 ) \cup ( 0 , \infty )$
B) $( - \infty , \infty )$
C) $\left( - \infty , \frac { 9 } { 5 } \right) \cup \left( \frac { 9 } { 5 } , \infty \right)$
D) $\left( - \infty , \frac { 1 } { 2 } \right) \cup \left( \frac { 1 } { 2 } , \infty \right)$