Find Domain of the Following Function $$g ( x ) = \frac { x ^ { 2 } - 9 } { x ^ { 2 } - 4 x + 3 }$$

Multiple Choice

Find domain of the following function. $$g ( x ) = \frac { x ^ { 2 } - 9 } { x ^ { 2 } - 4 x + 3 }$$

A) all real numbers $x$ except $x = - 9$ and $x = - 1$
B) all real numbers $x$ except $x = 4$ and $x = 9$
C) all real numbers $x$ except $x = - 4$ and $x = 3$
D) all real numbers $x$ except $x = - 3$ and $x = 1$
E) all real numbers $x$ except $x = 3$ and $x = 1$