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Old 05-09-2008, 05:06 PM   #46
ShadowRider78
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Join Date: Jul 2006
Threads: 62
Posts: 580
Isn't 2d asking for L''(5.5)? How the rate of people in the line was changing? Essentially, how L'(5.5) was changing so it will be in people/hrs^2
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