A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 80 ft of fence? What should the dimensions of the garden be to give this area?

Question

A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle.  What is the maximum area that the farmer can enclose with 80 ft of fence?  What should the dimensions of the garden be to give this area?

aravindg · Answer

estrudier help me

aravindg · Answer

its urgent

anonymous · Answer

Set side as x, length at 80-2x, area x(80-2x) and differentiate for max A.

aravindg · Answer

find limit x tends to 4 (x-4)/(x^2-x-12)