What is the domain of (x^2-1)/(x^2-16) ?

The domain of (x^2-1)/(x^2-16) is x 4

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domain of (x^2-1)/(x^2-16)

domain

\frac{x ^{2} - 1}{x ^{2} - 16}

x < - 4 or - 4 < x < 4 or x > 4

Interval Notation

(- \infty, - 4) \cup (- 4, 4) \cup (4, \infty)

Solution steps

Find undefined (singularity) points:

x = 4, x = - 4

The function domain

x < - 4 or - 4 < x < 4 or x > 4

7 x + 2

7 x - 8

- (0.02)^{x + 6}

f (x) = - 10 (x + 9)^{4} (x - 4)^{4}

y = \frac{2}{5} x^{5} + \frac{1}{2} x^{4} - 4 x^{3}

What is the domain of (x^2-1)/(x^2-16) ?
The domain of (x^2-1)/(x^2-16) is x<-4\lor-4<x<4\lor x>4