In formulating a mixed integer programming problem, the constraint x1 + x2 ? 500y1 where y1 is a 0-1 variable and x1 and x2 are continuous variables, then x1 + x2 = 500 if y1 is:

A) 0.
B) 1.
C) 0 or 1.
D) none of the above


Answer: B

Business

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