Tell Whether the Given Rational Expression Is Proper or Improper $$\frac { x ^ { 3 } - 9 x + 20 } { x ^ { 2 } - 16 x + 64 }$$

Multiple Choice

Tell whether the given rational expression is proper or improper.
- $$\frac { x ^ { 3 } - 9 x + 20 } { x ^ { 2 } - 16 x + 64 }$$

A) Improper
B) Proper