Which of the Following Describes a Situation in Which Linear

Multiple Choice

Which of the following describes a situation in which linear programming models may result in unbounded solutions?

A) The model has many restrictions, and the constraints do not have a common feasible region.
B) The model has few restrictions, and the feasible region is not bounded by the model constraints.
C) The model has unrealistic goals, and the objective function cannot be maximized.
D) All of the above