Simplify the Difference Quotient $$\frac { f ( x + h ) - f ( x ) } { h }$$

Multiple Choice

Simplify the difference quotient: $$\frac { f ( x + h ) - f ( x ) } { h }$$
- $$6 x ^ { 3 } + 6$$

A) $18 h x ^ { 2 } + 18 x h ^ { 2 } + 6 h ^ { 3 }$
B) $x ^ { 3 } + 18 x ^ { 2 } + 18 x h + 6 h ^ { 2 }$
C) $18 x ^ { 2 } + 18 x h + 6 h ^ { 2 } + 6$
D) $18 x ^ { 2 } + 18 x h + 6 h ^ { 2 }$