How do you find the domain and range of #x^3#?

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How do you find the domain and range of #x^3#?

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Answer 1 · 2016-06-20T13:09:40

It is #\mathbb{R}#.

Explanation:

the positive integer powers, like #x^3# can be calculated for any value of the variable. In other words you can assign any value to #x# and you will be able to calculate its cube.
For this reason the domain are all the real numbers #\mathbb{R}#.

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How do you find the domain and range of #x^3#?

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