Give the Equations of Any Vertical Asymptotes $$f ( x ) = \frac { x - 1 } { x ^ { 2 } + 8 x }$$

Multiple Choice

Give the equations of any vertical asymptotes.
- $$f ( x ) = \frac { x - 1 } { x ^ { 2 } + 8 x }$$

A) $x = - 8$
B) $x = 8$
C) $x = 1$
D) $x = 0 , x = - 8$