Find the Derivative of the Following Function Using the Limiting $f ( x ) = - 3 x ^ { 2 } + 10 x$

Multiple Choice

Find the derivative of the following function using the limiting process. $f ( x ) = - 3 x ^ { 2 } + 10 x$

A) $- 3$
B) $- 6 x + 10$
C) $- 6 x - 10$
D) $- 6 x$
E) none of the above