Question

ANSWER FASTWhich of the following rational functions is graphed below?

Answer 1

Recall that a rational expression will have a vertical asymptote where the denominator is 0.

$\bf \cfrac{1}{(x+5)^2}\qquad \stackrel{\textit{has a vertical asymptote at}}{(x+5)^2=0\implies x+5=0\implies x=-5}$