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

## Answer This Question

## Related Questions

- Calc - Recent studies indicate that the average surface temp. of the earth has ...
- math - One day at 3:00 am the temp was -13 degrees f in Kodiak Alaska. At 10:00 ...
- pre calc - in many parts of the coutry the average temp of a particular area may...
- math - f(x) = 64 + 27cos(2pi/365(x+145)) what would be the period i tried by ...
- Chemistry - Sorry I have one other question that i'm unsure about. for the ...
- Statistics - During September, the average temp of laurel lake is 64.2 degrees. ...
- Chemistry - I don't understand this: For the temperature vs time graph for heat ...
- precalc - in many parts of the coutry the average temp of a particular area may ...
- Calc..Help Please - A model for the length of daylight (in hours) in ...
- math - In Philadelphia the number of hours of daylight on day t (where t is the ...

More Related Questions