Consider the function f(x) = \frac{1}{x^2-1} .

(Click on a graph to enlarge it.)

There is a vertical asymptote at

** NOTE: ** If there is more than one you can separate your answers by a comma.

There a horizontal (or oblique) asymptote at

** NOTE: ** This could be a function of x.

If

(

For each of the intervals listed below, select the graph best representing the shape of the function in that interval.

(

(

(

(

1 | 2 | |

3 | 4 |

(Click on a graph to enlarge it.)

You can earn partial credit on this problem.