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Popular >

domain of 2/(x^2-9)

Solution

domain

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

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

Popular Examples

intercepts of y=8x+7 intercepts

y = 8 x + 7

intercepts of f(x)=x^4+y^2-xy=81 intercepts

f (x) = x^{4} + y^{2} - x y = 81

intercepts of f(x)=-(x+9)^2+5 intercepts

f (x) = - (x + 9)^{2} + 5

midpoint (0.8,0.3),(1.4,2.1)midpoint

(0.8, 0.3), (1.4, 2.1)

domain of sqrt(x)+sqrt(10-x)domain

x + 10 - x

Frequently Asked Questions (FAQ)

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