What is the domain of f(x)=(1-3x)/(4+x) ?

The domain of f(x)=(1-3x)/(4+x) is x -4

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domain of f(x)=(1-3x)/(4+x)

domain

f (x) = \frac{1 - 3 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) = 8^{x} + 13

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

\frac{x + 3}{x}

f (x) = 5

f (x) = - x + 15

What is the domain of f(x)=(1-3x)/(4+x) ?
The domain of f(x)=(1-3x)/(4+x) is x<-4\lor x>-4