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

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

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

domain

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

x < - 1 or x > - 1

Interval Notation

(- \infty, - 1) \cup (- 1, \infty)

Solution steps

Find undefined (singularity) points:

x = - 1

The function domain

x < - 1 or x > - 1

x + 7, x \geq 7

f (x) = \frac{1}{x - 11}

f (x) = \frac{x + 4}{x + 7}

f (x) = \frac{2 x ^{2} - x - 4}{x ^{2} + 9}

f (x) = 2 x^{3} - 3 x^{2} + 8 x - 4

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