Answer
Horizontal asymptote: $y=4$
Vertical asymptote: $x=2$
Domain: $(-\infty,2)\cup (2,\infty)$
Work Step by Step
From the given graph, the horizontal asymptote is $y=4$ and the vertical asymptote is $x=2$.
So, the domain is:
$$(-\infty,2)\cup (2,\infty)$$
