PLEASE HELP PLEASE

Which one of the given equations does not represent a function?
x - y2 = 13
2 - x = x - y
y= –2x2 + 16x + 34
2x4 + 4 = square root of y+2

Respuesta :

Step-by-step explanation:

x-y2=13

2×4+4=square root of y+2

2x4+4= y+2 square root!