In a graphical linear programming solution, an optimal value occurs along an entire edge of the feasible region when:
Correct answer: A. The objective line is parallel to that edge
- A. The objective line is parallel to that edge
- B. The objective line is perpendicular to that edge
- C. The feasible region has no corner points
- D. All decision variables are unrestricted
Explanation
An objective line parallel to a boundary edge can produce the same value at every point on that edge. This gives multiple optimal solutions rather than a unique corner solution.
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