Question

What is the domain of the function

Answer 1

The domain is the set of all real numbers.

Explanation:

We know:

The root with an odd degree is exist for any real number.

The root with an even degree is exist for any non-negative real number.

The domain:

`\sqrt[n]{a}`

is all real number if n is odd number.

is alle non-negative real number if n is even number.