Question: Consider a capital budgeting formulation where the binary variables x 1 and x 2 are used to represent the acceptance ( x i = 1)
Consider a capital budgeting formulation where the binary variables x1 and x2 are used to represent the acceptance (xi = 1) or rejection (xi= 0) of each alternative. The requirement that x2 is contingent upon x1 can be represented by which of the following?
a. x1 + x2 ≤ 1
b. x2 ≤ x1
c. x1 + x2 ≥ 1
d. x1 ≤ x2
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