Find $\frac { f ( a + h ) - f ( a ) } { h }$

Multiple Choice

Find $\frac { f ( a + h ) - f ( a ) } { h }$ for f ( x ) = x 2 $-$ 5 x + 2.

A) 2 a + h
B) 2 a + h $-$ 5
C) $-$ 2 a $-$ h + 5
D) a + h $-$ 2