Find the Difference Quotient and Simplify Your Answer $\frac { f ( 6 + h ) - f ( 6 ) } { h }$

Multiple Choice

Find the difference quotient and simplify your answer.
F(x) = 5x - x², $\frac { f ( 6 + h ) - f ( 6 ) } { h }$ ,h ? 0

A) $\frac { f ( 6 + h ) - f ( 6 ) } { h } = - h - 6$ ,h ? 0
B) $\frac { f ( 6 + h ) - f ( 6 ) } { h } = - h - 4$ ,h ? 0
C) $\frac { f ( 6 + h ) - f ( 6 ) } { h } = - h - 3$ ,h? 0
D) $\frac { f ( 6 + h ) - f ( 6 ) } { h } = - h - 7$ ,h ? 0
E) $\frac { f ( 6 + h ) - f ( 6 ) } { h } = - h - 5$ ,h ? 0