Find the Specified Domain $\left( \frac { f } { g } \right) ( x )$

Multiple Choice

Find the specified domain.
-Find the domain of $\left( \frac { f } { g } \right) ( x )$ when $f ( x ) = \sqrt { 3 x - 9 }$ and $g ( x ) = \frac { 1 } { x }$

A) $[ 3 , \infty )$
B) $[ - 3,0 ) \cup ( 0 , \infty )$
C) $( \infty , 0 ) \cup ( 0 , \infty )$
D) $[ - 3 , \infty )$