Which function has vertical asymptotes with equations $x=-9$ and $x=-\frac{6}{7}?$

Select one:

a$.f(x)=\frac{1}{7x^2-65x54}$

b$.f(x)=\frac{-9}{x^{3}15x54}$

c$.f(x)=\frac{7x6}{x^{2}15x5x}$

d$.f(x)=\frac{1}{7x^{2}69x54}$