What is the domain of (1-2x)/(4+x) ?

The domain of (1-2x)/(4+x) is x -4

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domain of (1-2x)/(4+x)

domain

\frac{1 - 2 x}{4 + x}

x < - 4 or x > - 4

Interval Notation

(- \infty, - 4) \cup (- 4, \infty)

Solution steps

Find undefined (singularity) points:

x = - 4

The function domain

x < - 4 or x > - 4

f (x) = \frac{x + 22}{x - 1}

f (x) = 4 x^{4}

f (x) = \frac{4 x - 8}{x + 3}

f (x) = \frac{4 x + 2}{1 - 6 x}

\frac{18}{x} - 1

What is the domain of (1-2x)/(4+x) ?
The domain of (1-2x)/(4+x) is x<-4\lor x>-4