The linear programming problem has an unusual characteristic. Select a graph of the solution region for the problem and describe the unusual characteristic. Find the minimum value of the objective function (if possible) and where it occurs.
?
Objective function:
?
z = -x + 2y
?
Constraints:
?
x ? 0
y ? 0
x ? 10
x + y ? 8
?
A. ?
The constraint x ? 10 is extraneous. Minimum at (0, 8): 16
B.
The constraint x ? 10 is extraneous. Minimum at (8, 0): -8
C.
The constraint x ? 10 is extraneous. No minimum.
D.
The constraint x ? 10 is extraneous. Minimum at (8, 8): 8
E.
The constraint x ? 10 is extraneous. Minimum at (0, 0): 0
Answer: B
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