What is the domain of (x+4)/(x^2-1) ?

The domain of (x+4)/(x^2-1) is x 1

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domain of (x+4)/(x^2-1)

domain

\frac{x + 4}{x ^{2} - 1}

x < - 1 or - 1 < x < 1 or x > 1

Interval Notation

(- \infty, - 1) \cup (- 1, 1) \cup (1, \infty)

Solution steps

Find undefined (singularity) points:

x = 1, x = - 1

The function domain

x < - 1 or - 1 < x < 1 or x > 1

y = - 6

f (x) = \frac{5 x}{6} + 9

f (x) = 3 x^{2} - x - 2

\frac{2 x ^{2} - 5 x + 5}{x - 2}

(1.4) (6.7)

What is the domain of (x+4)/(x^2-1) ?
The domain of (x+4)/(x^2-1) is x<-1\lor-1<x<1\lor x>1