Question

How do you sketch the graph of `1/(x^2-4)`?

Answer 1

Try different x values to get function's value and then plot it

Explanation:

If x is 0, your function `y=-1/4`

If x is 1, your function `y=-1/3`

If x is 2, your function is not defined. Your function is not defined when `x=-2` too.

Plot it accordingly:

graph{1/((x^2)-4) [-10, 10, -5, 5]}