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## Homework Statement

HiI am trying to understand how to sketch the above named graph.

## Homework Equations

## The Attempt at a Solution

I have obtained the vertical asymptote as x = -2 but not sure of the horizontal asymptote. Examining the graph as x tends to infinty, it seems the horizontal asymptote is 1. But I am stuck at this stage. Any help or suggestions? I am not sure of the shape of the graph also. Thanks.