Find the Domain of the Function $g ( s ) = \frac { - 3 s } { s - 9 }$

Multiple Choice

Find the domain of the function.
$g ( s ) = \frac { - 3 s } { s - 9 }$

A) s = 9
B) all real numbers s $\neq$ 9, s $\neq$ 0
C) s = 9, s = 0
D) all real numbers s $\neq$ 9
E) $\varnothing$