Question

consider the function. ( which is the picture below)
a. what is the natural domain of j?
b. find the range of j using the natural domain. (how do i do this, medal given.)

Answer 1

where is the picture?

Answer 2

well x cannot be negative when it is being square-rooted otherwise it will yield imaginary numbers (Which im sure you don't want)

Answer 3

so the natural domain of j will simple be all NON-NEGATIVE real numbers

Answer 4

so we write this as
that says we can have x which is all real numbers such that x must be greater or equal to zero