What is the domain of f(x)= 1/(x+3) ?

The domain of f(x)= 1/(x+3) is x -3

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domain of f(x)= 1/(x+3)

domain

f (x) = \frac{1}{x + 3}

x < - 3 or x > - 3

Interval Notation

(- \infty, - 3) \cup (- 3, \infty)

Solution steps

Find undefined (singularity) points:

x = - 3

The function domain

x < - 3 or x > - 3

\frac{8 x + 9}{x + 8}

\frac{1}{4} x^{4} - \frac{1}{3} x^{3} - 3 x^{2}

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

\frac{1}{1 - x + 1}

f (x) = 2 - 4 x

What is the domain of f(x)= 1/(x+3) ?
The domain of f(x)= 1/(x+3) is x<-3\lor x>-3