Answer:
choice C. y = (1/2)*x^2
Step-by-step explanation:
When you look at this parabola, it opens upward, it has a vertex at (0, 0)
and it looks like it has point (2, 2)
So we see it must have a positive coefficient for x^2
y = (1/2)*x^2, since 2 = (1/2)* 2^2 = 2
