Find the Axis of Symmetry of the Parabola Defined by the Given

Multiple Choice

Find the axis of symmetry of the parabola defined by the given quadratic function.
- $$f ( x ) = ( x + 8 ) ^ { 2 } - 1$$

A) $x = - 8$
B) $x = 1$
C) $x = 8$
D) $x = - 1$