9. Determine whether $x = -1$ is a vertical asymptote of the graph of $f(x) = \frac{x^2 - 1}{x^2 - x - 2}$
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Step 1: To determine if x = -1 is a vertical asymptote of the function f(x), we need to check if the function approaches positive or negative infinity as x approaches -1 from both the left and the right. Show more…
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