What is the domain of (x+4)/(x+6) ?

The domain of (x+4)/(x+6) is x -6

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domain of (x+4)/(x+6)

domain

\frac{x + 4}{x + 6}

x < - 6 or x > - 6

Interval Notation

(- \infty, - 6) \cup (- 6, \infty)

Solution steps

Find undefined (singularity) points:

x = - 6

The function domain

x < - 6 or x > - 6

f (x) = 18 - 3 x

\frac{x + 2}{x - 9}

arccos (\frac{1}{x - 3})

\frac{1 - x}{2}

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