What is the domain of f(x)=(8-x)/(x+5) ?

The domain of f(x)=(8-x)/(x+5) is x -5

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domain of f(x)=(8-x)/(x+5)

domain

f (x) = \frac{8 - x}{x + 5}

x < - 5 or x > - 5

Interval Notation

(- \infty, - 5) \cup (- 5, \infty)

Solution steps

Find undefined (singularity) points:

x = - 5

The function domain

x < - 5 or x > - 5

3 - x + x^{2} - 1

y = - 2 x - 9

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

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

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

What is the domain of f(x)=(8-x)/(x+5) ?
The domain of f(x)=(8-x)/(x+5) is x<-5\lor x>-5