Find Domain of the Following Function $g ( x ) = \frac { 1 - 9 x } { 1 - x }$

Multiple Choice

Find domain of the following function.
$g ( x ) = \frac { 1 - 9 x } { 1 - x }$

A) all real numbers x
B) all real numbers x except x = 1
C) all real numbers x except x = -9
D) all real numbers x except x = -1
E) all real numbers x except x = 9