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Popular Functions >

domain of (3x+3)/(x^2-49)

Solution

domain

\frac{3 x + 3}{x ^{2} - 49}

Solution

x < - 7 or - 7 < x < 7 or x > 7

+1

Interval Notation

(- \infty, - 7) \cup (- 7, 7) \cup (7, \infty)

Solution steps

Find undefined (singularity) points:

x = 7, x = - 7

The function domain

x < - 7 or - 7 < x < 7 or x > 7

Graph

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Frequently Asked Questions (FAQ)

What is the domain of (3x+3)/(x^2-49) ?
The domain of (3x+3)/(x^2-49) is x<-7\lor-7<x<7\lor x>7