If $f ( x ) = x ^ { 2 } - x + 4$ , evaluate the difference quotient $\frac { f ( a + h ) - f ( a ) } { h }$ .
A) $2 a - 4$
B) $2 a + h - 4$
C) h
D) $2 a - h - 4$
E) None of these

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The Answer of If $f ( x ) = x ^ { 2 } - x + 4$ , evaluate the difference quotient $\frac { f ( a + h ) - f ( a ) } { h }$ .
A) $2 a - 4$
B) $2 a + h - 4$
C) h
D) $2 a - h - 4$
E) None of these

If f(x)=x2−x+4f ( x ) = x ^ { 2 } - x + 4f(x)=x2−x+4

If $f ( x ) = x ^ { 2 } - x + 4$