Number of results: 2
Suppose a farmer has 1,000 feet of fence and wishes to build two identical rectangular enclosures. What should be the dimensions of each enclosure if the total area is to be a maximum? Set problem up and solve using derivatives.
Saturday, April 6, 2013 at 3:44pm by Anonymous
if the sides are x,y a = 2xy now, 4x+4y=1000, so y=250-x and so a = 2x(250-x) = 500x - 2x^2 da/dx = 500-4x da/dx=0 when x=125 so, the enclosures are both squares, 125x125
Saturday, April 6, 2013 at 3:44pm by Steve