Evaluate the Rational Function $$r ( x ) = \frac { x ^ { 2 } - 11 x + 24 } { x ^ { 2 } - 7 x + 12 } , r ( 3 )$$

Multiple Choice

Evaluate the rational function.
- $$r ( x ) = \frac { x ^ { 2 } - 11 x + 24 } { x ^ { 2 } - 7 x + 12 } , r ( 3 )$$

A) $- 5$
B) Undefined
C) 5
D) $\frac { 11 } { 7 }$