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

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

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

domain

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

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

d o main \frac{3 x - 2}{7 x + 5}

m o n o t o n e f (x) = - x + 6

in t erce pt s \frac{9 x ^{2} + 18 x + 3}{3 x + 2}

d o main \frac{x}{9 x ^{2} + 8 x - 1}

a sy m pt o t es f (x) = \frac{x - 12}{x + 19}