Find the Axis of Symmetry of the Quadratic Function $$f ( x ) = ( x + 4 ) ^ { 2 } - 6$$

Multiple Choice

Find the axis of symmetry of the quadratic function.
- $$f ( x ) = ( x + 4 ) ^ { 2 } - 6$$

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