Let
f(x) = \frac{x^2 + 5}{x^2 - 4}.
Find the indicated one-sided limits of f .

** NOTE: **
Remember
that you use **INF** for \infty and **-INF** for -\infty .

You should also sketch a graph ofy=f(x) , including vertical and horizontal asymptotes.

You should also sketch a graph of

You can earn partial credit on this problem.