Answer
domain $\{|x|x\ne5 \}$, horizontal asymptote $y=2$, vertical asymptote $x=5$
Work Step by Step
1. The domain requirement of $f(x)$ is $x-5\ne0$, thus $\{|x|x\ne5 \}$
2. We can find the horizontal asymptote $y=2$, vertical asymptote $x=5$, oblique asymptote $none.$