Find the Derivative of the Function at the Given Value $$f ( x ) = 4 x ^ { 3 } - 6 x + 2 ; x = - 4$$

Short Answer

Find the derivative of the function at the given value of x using a graphing utility. If necessary, round to four decimal
places.
- $$f ( x ) = 4 x ^ { 3 } - 6 x + 2 ; x = - 4$$