What is the domain of (x-5)/(x+1) ?

The domain of (x-5)/(x+1) is x -1

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domain of (x-5)/(x+1)

domain

\frac{x - 5}{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

h (x) = 8

g (x) = 3^{x} - 2

7 x^{4} - 42 x^{2}

f (x) = 4 2 x + 8

f (x) = ln (- 4.4)