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Popular >

domain of 1/(9-x^2)

Solution

domain

\frac{1}{9 - x ^{2}}

Solution

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

+1

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

Graph

Popular Examples

domain of f(x)=15x domain

f (x) = 15 x

domain of y=tanh(3x)domain

y = tanh (3 x)

domain of sqrt(-x^2+2x+3)domain

- x^{2} + 2 x + 3

domain of (x-2)^{1/2}domain

(x - 2)^{\frac{1}{2}}

domain of f(x)=sqrt(12-4x)domain

f (x) = 12 - 4 x

Frequently Asked Questions (FAQ)

What is the domain of 1/(9-x^2) ?
The domain of 1/(9-x^2) is x<-3\lor-3<x<3\lor x>3