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October 26, 2014

Homework Help: Calculus AB

Posted by Dasn on Friday, January 29, 2010 at 2:12am.

You pour a cup of coffee. when its poured, it is 130 F above room temperature, so we will say that difference D=130 F. 3 minutes later, it has cooled to D=117 F above room temperature. As the coffee cools, the instantaneous rate of change of D with respect to time t minutes is directly proportional to D. Write a differential equation which states this relationship.

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