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Mathematics 21 Online
OpenStudy (anonymous):

Will fan and medal! Felicity set the thermostat in her living room to 68°F. The room temperature t, in degrees Fahrenheit, m minutes after the thermostat is activated, satisfies t = 2cos(0.21m) + 68. Determine the period of the function and explain what it represents. Include the maximum and minimum temperatures in your answer.

OpenStudy (anonymous):

What grade is this for?

OpenStudy (anonymous):

11th @xBaseEffect

OpenStudy (anonymous):

Ok um I want to say that you do 0.21 times 68 but I don't exactly know sorry I am not much help

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