What is the domain of (x^3)/(x^3+1) ?

The domain of (x^3)/(x^3+1) is x -1

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domain of (x^3)/(x^3+1)

domain

\frac{x ^{3}}{x ^{3} + 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

f (x) = \frac{2 x}{x + 9}

3 sin (2 x - π)

2 x + y = - 9

y = 4 x + 5

What is the domain of (x^3)/(x^3+1) ?
The domain of (x^3)/(x^3+1) is x<-1\lor x>-1