Find the Domain of the Given Function $$f ( x ) = \frac { ( x + 6 ) ( x - 6 ) } { x ^ { 2 } + 36 }$$

Multiple Choice

Find the domain of the given function.
- $$f ( x ) = \frac { ( x + 6 ) ( x - 6 ) } { x ^ { 2 } + 36 }$$

A) $( 36 , \infty )$
B) $( - \infty , - 36 ) \cup ( - 36,36 ) \cup ( 36 , \infty )$
C) $( - \infty , 6 ) \cup ( - 6,6 ) \cup ( 6 , \infty )$
D) All real numbers