What is the domain of (x^2-1)/(x+2) ?

The domain of (x^2-1)/(x+2) is x -2

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domain of (x^2-1)/(x+2)

domain

\frac{x ^{2} - 1}{x + 2}

x < - 2 or x > - 2

Interval Notation

(- \infty, - 2) \cup (- 2, \infty)

Solution steps

Find undefined (singularity) points:

x = - 2

The function domain

x < - 2 or x > - 2

y = \frac{x ^{2} + 2 x - 3}{( x - 1 ) ( x ^{2} - 4 )}

f (x) = x^{9} - 6 x^{4} + 9

y = x 4 - x^{2}

\frac{3 x - 2}{x - 1}

What is the domain of (x^2-1)/(x+2) ?
The domain of (x^2-1)/(x+2) is x<-2\lor x>-2