How do you graph and find the discontinuities of $(x^2-1)/(x^2+4)$ ?

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Answer 1 · 2015-08-11T00:49:53

I think you meant $(x^2-1)/(x^2-4)$ ??

Your graph is continuous in the real number line.

graph{(x^2-1)/(x^2+4) [-5.55, 5.55, -2.773, 2.776]}

How do you graph and find the discontinuities of (x^2-1)/(x^2+4)(x^2-1)/(x^2+4)?