Answer
See graph.
Work Step by Step
Step 1. Given $f(x)=\frac{x^2-1}{x}=x-\frac{1}{x}$, we can identify its V.A. $x=0$, H.A. $none$, O.A. $y=x$, x-intercepts: $x=\pm1$, y-intercepts: $none$.
Step 2. Use the above information and test points to graph the function as shown in the figure.