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Solve Calc 1 Story Problem: Marathon Runner & Park Trail
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[QUOTE="RUber, post: 4908531, member: 524408"] Let T be the time before she gets tired. T is in [0,175] in minutes. Find a formula for distance from the starting point in terms of T. Then T2 is the amount of time it takes her to get back. It should be directly related to how far she is. You should be able to write T2 in terms of T. Now add them together, and you will have one expression with one variable and you want the max. Maxes and mins either occur at endpoints or when the first derivative is equal to zero. [/QUOTE]
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Solve Calc 1 Story Problem: Marathon Runner & Park Trail
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