Find the Axis of the Graph of the Function $$f ( x ) = 4 x ^ { 2 } + 40 x + 96$$

Multiple Choice

Find the axis of the graph of the function.
- $$f ( x ) = 4 x ^ { 2 } + 40 x + 96$$

A) $x = - 5$
B) $x = 6$
C) $x = - 4$
D) $x = 5$