Here is the plot of the function $y = \frac{x-1}{x+1}$. The vertical asymptote at $x = -1$ is shown with a dashed red line.

Would you like more details or have any questions?

Here are some more questions you might be interested in:

1. How to find the asymptotes of a given function?
2. How to find the critical points of a function?
3. How to determine the concavity and points of inflection of a function?
4. How to solve a system of equations graphically?
5. How to determine if a function is continuous?

Tip: When plotting functions with asymptotes, it's useful to include dashed lines to indicate where the function is undefined.