What is the domain of (x-2)/(x^2-9) ?

The domain of (x-2)/(x^2-9) is x 3

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domain of (x-2)/(x^2-9)

domain

\frac{x - 2}{x ^{2} - 9}

x < - 3 or - 3 < x < 3 or x > 3

Interval Notation

(- \infty, - 3) \cup (- 3, 3) \cup (3, \infty)

Solution steps

Find undefined (singularity) points:

x = 3, x = - 3

The function domain

x < - 3 or - 3 < x < 3 or x > 3

f (x) = 3 x

f (x) = - 2 x^{5} + 5 x^{2}

y = 81 - x

y = 3 x + 1

m = - 3, (- 2, - 3)

What is the domain of (x-2)/(x^2-9) ?
The domain of (x-2)/(x^2-9) is x<-3\lor-3<x<3\lor x>3