A farmer wishes to enclose a rectangular field of area 450 ft using an existing wall as one of the sides. The cost of the fence for the other 3 sides is $3 per foot. How do you find the dimensions that minimize the cost of the fence?
1 Answer
Sep 27, 2015
Explanation:
The cost function is:
since farmer is using the wall of length
The area of the field is:
So, for
The dimensions of the field: