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April 26, 2015

Homework Help: Math

Posted by Annie on Thursday, December 8, 2011 at 3:46am.

Sarah throws rocks into a quarry lake from the top of a 67 foot high wall. The chart gives the horizontal distance, x (in feet), the rock has travled from Sarah and the height, y (in feet), of the rock above the lake.

The chart is:
|distance, x:|9| 19| 36|50|
|height, y: |75.39|81.10|82.07|74.61|

I think the answer is possibly y=-0.019x^2+1.10x+67, but I am not sure. Could someone help me please?

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