Chapter 2.5, Problem 87E

Sketching graphs Sketch a possible graph of a function f that satisfies all the given conditions. Be sure to identify all vertical and horizontal asymptotes.

67. $\underset{x\to 0^{+}}{\lim }f(x)=\infty ,\underset{x\to 0^{-}}{\lim }f(x)=-\infty ,\underset{x\to \infty }{\lim }f(x)=1,\underset{x\to -\infty }{\lim }f(x)=-2$