A Temperature Model A cup of coffee is heated to 180F and
Chapter , Problem 4.2.55(choose chapter or problem)
A Temperature Model A cup of coffee is heated to 180F and placed in a room that maintains a temperature of 65F. The temperature of the coffee after t minutes is given by T(t) = 65 + 115e-0.042 a. Find the temperature, to the nearest degree, of the coffee 10 minutes after it is placed in the room. b. Use a graphing utility to determine when, to the nearest tenth of a minute, the temperature of the coffee will reach 100F. 5
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