Find the Domain of the Function $$g ( x ) = \frac { 2 x } { x ^ { 2 } - 81 }$$

Multiple Choice

Find the domain of the function.
- $$g ( x ) = \frac { 2 x } { x ^ { 2 } - 81 }$$

A) all real numbers
B) $\{ x \mid x \neq 0 \}$
C) $\{ x \mid x > 81 \}$
D) $\{ x \mid x \neq - 9,9 \}$