Hard Math
posted by Ajunb .
Why are these poor models for a parabola, Where a ball starts a a certain point and then is hit to reach a maximum height (vertex) and then lands at a certain point
i. y = 0.002x(x  437.1)
ii. y = 0.5x + 216x + 3
iii. y = 0.002x + 0.879x + 3.981
iv. y = 0.002x + 0.8732x  3.981
Thanks!
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