Simpify the following radicals.

(9x)

Would that be 9x

-125c

Would that be -5c

Write ^7x by using rational exponents rather than radical notation.

Use the laws of exponents to simplify. (x^-2/3 y)

Find the domain of the given function. F(x)= 2x-3

The 2x-3 is under the radical sign.

Thanks