Find the Domain of the Function $$f ( x ) = \frac { 9 } { x - 8 }$$

Find the domain of the function $$f ( x ) = \frac { 9 } { x - 8 }$$ . ​

A) Domain: all real numbers x except x = 8
B) Domain: all real numbers x except x = 9
C) Domain: all real numbers x except x = -9
D) Domain: all real numbers x
E) Domain: all real numbers x except x = -8