Question

Let f(x)=sqrt(6-x) . Find the domain of f(x).

Answer 1

Have you studied complex numbers?

Answer 2

I believe so, yes.

Answer 3

Well then the domain should be all real numbers.

Note that complex numbern have the letter i in them, were\[i=\sqrt{-1} \]If you haven't studied complex, numbers, then the domain would be all real numbers equal to or greater than 6.

Answer 4

Okay thank you!

Answer 5

I should say less than 6.