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

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

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domain of f(x)=(x-1)/(x^2-4)

domain

f (x) = \frac{x - 1}{x ^{2} - 4}

x < - 2 or - 2 < x < 2 or x > 2

Interval Notation

(- \infty, - 2) \cup (- 2, 2) \cup (2, \infty)

Solution steps

Find undefined (singularity) points:

x = 2, x = - 2

The function domain

x < - 2 or - 2 < x < 2 or x > 2

f (x) = csc (4 x)

f (x) = \frac{x ^{2} + x - 6}{x ^{2} - 6 x + 8}

f (x) = \frac{- 2 x ^{2} + 14}{x ^{2} - 49}

f (x) = 36 - x^{2} + x + 1

(1, 7), (6, - 5)

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