Posted by **Sh** on Friday, January 9, 2009 at 1:44am.

y = 4-2cosx

what does the 4 mean since it is not part of the amplitude.

thanks in advance

- math -
**drwls**, Friday, January 9, 2009 at 2:47am
4 is the mean value when you average over all values of x

- math -
**liz**, Friday, January 9, 2009 at 4:32pm
suppose that a width of a rectangle is 5 inches shorter than the length and the the perimeter of the rectangle is 50

set up an equation for the perimeter invlving only l, the length of the rectangle

find the length and width

- math -
**Anonymous**, Tuesday, July 9, 2013 at 1:05am
It took Jose 3 hours to drive to Wayne's house at 16 kilometers per hour. How far is it between Jose's house and Wayne's house?

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