Give the Equation of the Vertical Asymptote(s) of the Rational $g(x)=\frac{3}{x+6}$

Give the equation of the vertical asymptote(s) of the rational function.
- $g(x) =\frac{3}{x+6}$

A) $y=-6$
B) $x=6$
C) $y=0$
D) $x=-6$