Question

True or False: The domain of the curve y =x^2 is the set of nonnegative numbers.

Answer 1

True because any real number squared becomes positive.

Answer 2

I'm asking the following:

True or False: The domain of the curve y =x^2 is the set of nonnegative numbers.

Answer 3

It is False I think because it is the set of ALL real numbers.

Answer 4

So domain=R not just non-negative numbers.
So false.