What is the domain of f(x)=(x+5)/(x^2-4) ?

The domain of f(x)=(x+5)/(x^2-4) is x 2

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domain of f(x)=(x+5)/(x^2-4)

domain

f (x) = \frac{x + 5}{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) = ln (arccos (x))

y = \frac{9}{( 2 x + 1 ) ^{2}}

y = x + 2 cos (x)

y = - \frac{5}{2} x + 2

f (t) = 4 sin (t)

What is the domain of f(x)=(x+5)/(x^2-4) ?
The domain of f(x)=(x+5)/(x^2-4) is x<-2\lor-2<x<2\lor x>2