Find Domain of the Following Function $g ( x ) = \frac { x ^ { 2 } - 4 } { x ^ { 2 } - 3 x + 2 }$

Multiple Choice

Find domain of the following function. $g ( x ) = \frac { x ^ { 2 } - 4 } { x ^ { 2 } - 3 x + 2 }$

A) all real numbers x except x = -4 and x = -1
B) all real numbers x except x = -3 and x = 2
C) all real numbers x except x = 3 and x = 4
D) all real numbers x except x = 2 and x = 1
E) all real numbers x except x = -2 and x = 1