Determine the Domain of the Given Function $$f ( x ) = \frac { x ^ { 2 } - 1 } { x + 3 }$$

Multiple Choice

Determine the domain of the given function. $$f ( x ) = \frac { x ^ { 2 } - 1 } { x + 3 }$$

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