What is the domain of f(x)= 1/(x+18) ?

The domain of f(x)= 1/(x+18) is x -18

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domain of f(x)= 1/(x+18)

domain

f (x) = \frac{1}{x + 18}

x < - 18 or x > - 18

Interval Notation

(- \infty, - 18) \cup (- 18, \infty)

Solution steps

Find undefined (singularity) points:

x = - 18

The function domain

x < - 18 or x > - 18

a sy m pt o t es f (x) = 10

in t erce pt s f (x) = x^{2} - 2 x - 15

in v erse y = - 2 x^{2} + 8 x - 7

r an g e \frac{4}{3 - x}

e x t re m e f (x) = \frac{6}{x ^{2}}

What is the domain of f(x)= 1/(x+18) ?
The domain of f(x)= 1/(x+18) is x<-18\lor x>-18