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Consider a capital budgeting example with five projects from which to select. Let xi = 1 if project i is selected, 0 if not, for i = 1,...,5. Write the appropriate constraint(s) for each condition. Conditions are independent.
a. | Choose no fewer than four projects. |
b. | If project 2 is chosen, project 3 must be chosen. |
c. | If project 5 is chosen, project 4 must not be chosen. |
d. | Projects cost 130, 220, 150, 75, and 300 respectively. The budget is 475. |
e. | No more than two of projects 3, 4, and 5 can be chosen. |
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