Question

How do you find the domain of `root3(2x+10)`?

Answer 1

The domain is `RR`

Explanation:

`y=root(3)(2x+10)`

`y^3=2x+10`

`AA x in RR`, `y in RR`

For example,

`y=root(3)(-8)`, `=>`, `x=-2`

The domain of cubic root function is `RR`