What is the domain of f(x)=2x^3-5 ?

The domain of f(x)=2x^3-5 is -infinity <x<infinity

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domain of f(x)=2x^3-5

domain

f (x) = 2 x^{3} - 5

- \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

f (x) = 2 + 4 sin (3 x + \frac{π}{2})

f (x) = \frac{7}{x ^{2} - 49}

\frac{2}{x ^{2} + 4 x + 3}

\frac{x + 1}{x + 6}

f (x) = sin (2 x)

What is the domain of f(x)=2x^3-5 ?
The domain of f(x)=2x^3-5 is -infinity <x<infinity