Homework Help: Precalculus

Posted by Help now fast due tommorow on Monday, March 29, 2010 at 6:13pm.

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest
A) 256.5 feet b) 258 feet
c) 256 feet d) 257 feet
please show work!
i need help fast

Precalculus - bobpursley, Monday, March 29, 2010 at 8:26pm
area= L*width
perimeter= 1032=2L+2W or

L= 516-W

Area= (516-W)W
take the derivative, set it to zero, and solve for W.

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