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

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

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

domain

f (x) = \frac{3}{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

f (x) = \frac{3}{2 x + 1}

f (x) = - 6 x^{2} - 9 x - 2

x^{3} - 15 x^{2} + 68 x - 96

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

f (x) = \frac{- x ^{2} + 3 x - 2}{x ^{2} - 4}

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