(ii) Evaluate the objective function Z = ax + by at each corner point Let M
and m respectively be the largest and smallest values at these points (iii) If the feasible region is bounded, M and m respectively are the maximum
and minimum values of the objective function If the feasible region is unbounded, then
(i) M is the maximum value of the objective function, if the open half plane
determined by ax + by > M has no point in common with the feasible
region