wertii
contestada

Which two ordered pairs generated by x = y^2 - 1 can be used to show that the equation is not a function?

which one is it?

1. (3,2) and (15,4)
2. (8,3) and (8,-3)
3. (0,-1) and (-1,0)
4.(-3,-2) and (24,-5)

Please and thank you!