Find the Derivative Of $f ( x ) = 5 x ^ { 2 } - 9 x + 5$

Multiple Choice

Find the derivative of $f ( x ) = 5 x ^ { 2 } - 9 x + 5$ .

A) $10 x - 9$
B) $5 x - 9$
C) $10 x - 4$
D) $5 x - 4$
E) $10 x$