If a company selects Project 1 then it must also select either Project 2 or Project 3. Which of the following constraints enforces this condition? A)X₁ - X₂ -X₃ $\ge$ 0 B)X₁ + (X₂ - X₃)$\le$ 0 C)X₁ + X₂ + X₃$\le$ 2 D)X₁ - X₂ - X₃ $\le$ 0

Question

Quizplus · Accepted Answer

The constraint X₁ - X₂ - X₃ $\le$ 0 ensures that if Project 1 is selected (X₁ = 1), then at least one of Project 2 or Project 3 must also be selected (X₂ or X₃ = 1).

If a Company Selects Project 1 Then It Must Also ≥\ge≥

If a Company Selects Project 1 Then It Must Also $\ge$