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

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

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

domain

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

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

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

in v erse f (x) = 2 + \frac{1}{3} (x - 5)^{2}

am pl i t u d e \frac{1}{2} cos (2 x)

in t erce pt s \frac{x ^{2} - 2 x - 24}{x - 8}

s l o p e in t erce pt - x + y = 14

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