Sunday
September 21, 2014

Homework Help: calc

Posted by t on Saturday, October 16, 2010 at 7:10pm.

Average daily temp,y, is
y=45-23cos(2pi(x-32)/365), where x is time in days, x=1, corresponds to Jan 1 and y is temp in degrees F.
Determine the period of the function. Determine critical numbers, over one period.
Determine relative extrema, what does relative extrema represents

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