What is the domain of (1-2x)/(x+1) ?

The domain of (1-2x)/(x+1) is x -1

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domain of (1-2x)/(x+1)

domain

\frac{1 - 2 x}{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

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

f (x) = 10 x + 9

f (x) = - 3 x - 4

\frac{2 x - 2}{x + 2}

y = \frac{1}{3} x

What is the domain of (1-2x)/(x+1) ?
The domain of (1-2x)/(x+1) is x<-1\lor x>-1