
Andrew M. answered 07/11/16
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
The range is all possible output values for y.
The domain is all possible input values for x.
If the domain is -2, -1, 0, 1, 2
Just plug those values into the equation for x and solve for y.
The answers are the range.
Range = -1, -4, -5
Note we get the same y values for 1,2 as we do for -1, -2 because of the square.