What is the domain of (x^2-1)/(x-8) ?

The domain of (x^2-1)/(x-8) is x 8

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domain of (x^2-1)/(x-8)

domain

\frac{x ^{2} - 1}{x - 8}

x < 8 or x > 8

Interval Notation

(- \infty, 8) \cup (8, \infty)

Solution steps

Find undefined (singularity) points:

x = 8

The function domain

x < 8 or x > 8

y = (5 x + 5)^{2}

3 x + 3

x + 12

f (x) = (x + 5)^{2} + 3

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

What is the domain of (x^2-1)/(x-8) ?
The domain of (x^2-1)/(x-8) is x<8\lor x>8