According to Table 10-1, which presents an integer programming problem, the optimal solution is to select only two of the alternatives
Suppose you wished to add a constraint that stipulated that alternative 2 could only be selected if alternative 1 is also selected (i.e., if alternative 1 is not selected, you may not select alternative 2; however, you may select #1 and not select #2). How would this constraint be written?
A) X1 = X2
B) X1 ? X2
C) X1 ? X2
D) X1 + X2 = 2
E) None of the above
C
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