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OpenStudy (anonymous):

Suppose a hot cup of coffee is left on a kitchen counter. If the temperature in °F after t hours is given by F(t) = 85 + 125(0.65t), find the instantaneous rate of change of the coffee's temperature after an hour and a half. (Round your answer to two decimal places.)

OpenStudy (anonymous):

can you please explain the steps

OpenStudy (anonymous_user):

You'll get better help in the Mathematics section. http://openstudy.com/groups/mathematics

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