Posted by Anil on Saturday, October 8, 2011 at 7:19pm.
In a reallife situation, to model the distance x and the height of hitting a baseball y as in: y = ax^2 + bx + c
1. When dealing with the initial height of the ball, what is happening when x = 0?
Is it that the ball has not yet traveled any distance?
2. What are the possible values for y when x = 0?
I know only the constant term would be left. So would I be correct in saying "the constant term" or how do I better say it?
3. Regarding the maximum height of the ball: knowing some values of y are not reasonable, how does that affect choosing a window for the graph?

algebra  Damon, Saturday, October 8, 2011 at 7:34pm
When x = 0, the ball is leaving the bat
y then is c, the initial height. That is the only possible value for y
As far as question 3, I would choose a horizontal range domain maybe ten times as long as the max height I expected.
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