Question

z =(y-x^2)^1/2
Find domain and range of function

Answer 1

\[Z=\sqrt{y-x ^{2}}\]

Answer 2

you can't take a square root of a negative number. So what does that tell you the expression inside the square root?

Answer 3

Range:
z >= 0

Domain:
y > = x^2
-inf < x < inf

Answer 4

thanks, that simple hey