What is the domain of (x^2)/(x+4) ?

The domain of (x^2)/(x+4) is x -4

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domain of (x^2)/(x+4)

domain

\frac{x ^{2}}{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

f (x) = 6

y = 4 sin (\frac{1}{6} x)

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

f (x) = 2 + 7 x

f (x) = 4 - x^{2} - y^{2} = 0