Question

For which values of the variable are the following statements true?
If someone could show me the answer and how to do it would be great.

Answer 1

Is 16 all real numbers because the index is odd?

Answer 2

that is correct

Answer 3

\[\Large \sqrt[3]{x^3} = \left(\sqrt[3]{x}\right)^3 = x\] is true for all real numbers

Answer 4

#17 is going to be different