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

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

f (x) = \frac{x ^{2}}{x ^{2} - 25}

f (x) = \frac{10 - x}{2 x}

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

2 3 x - 3

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