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Popular Functions >

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

Solution

domain

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

Solution

x < - 2 or - 2 < x < 0 or x > 0

+1

Interval Notation

(- \infty, - 2) \cup (- 2, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0, x = - 2

The function domain

x < - 2 or - 2 < x < 0 or x > 0

Graph

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Frequently Asked Questions (FAQ)

What is the domain of 9/(x^2+2x) ?
The domain of 9/(x^2+2x) is x<-2\lor-2<x<0\lor x>0