What is the domain of x^3+x ?

The domain of x^3+x is -infinity <x<infinity

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domain of x^3+x

domain

x^{3} + x

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

\frac{x}{x - 1 - 3}

g (x) = x^{3}

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

f (x) = 3 x + 1

f (x) = \frac{- x + 3}{- 9}