Find the Domain of the Rational Function $$r ( x ) = \frac { x ^ { 2 } - 3 x } { x ^ { 2 } - 2 x - 15 }$$

Multiple Choice

Find the domain of the rational function.
- $$r ( x ) = \frac { x ^ { 2 } - 3 x } { x ^ { 2 } - 2 x - 15 }$$

A) All real numbers except 0 and 3 .
B) All real numbers except $- 3$ and 5 .
C) All real numbers except $- 5$ and 3 .
D) All real numbers except $- 3$ and 3 .