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April 18, 2014

Homework Help: algebra

Posted by Anil on Saturday, October 8, 2011 at 8:01pm.

why are these equations poor models of hitting a baseball:

y= -0.002x(x-433.1)

I get maximums of (216,93). Other problems' maximums are in the (220, 100)range. So are they poor models because the distance and heights are unreasonable?

2) Why is the constant a in y=ax^2 + bx + c negative in a reasonable model?
is it because the graph is then a hill versus a valley?

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