The extreme values of f f(x, y) = x + 3y − 4xy on the unit square shown in (PICTURE) occur on the boundary or at a critical point off inside the square. Follow the next two steps to determine the maximum value of f on the square. (i) Determine the minimum value of f on the boundary of the square.
The extreme values of f f(x, y) = x + 3y − 4xy on the unit square shown in (PICTURE) occur on the boundary or
at a critical point off inside the square. Follow the next two steps to determine the maximum value of f on the square.
(i) Determine the minimum value of f on the boundary of the square.