Let x₁ , x₂ , and x₃ be 0 - 1 variables whose values indicate whether the projects are not done (0) or are done (1). Which answer below indicates that at least two of the projects must be done? A) x₁ + x₂ + x₃ ≥ 2 B) x₁ + x₂ + x₃ ≤ 2 C) x₁ + x₂ + x₃ = 2 D) x₁ − x₂ = 0

Question

Quizplus · Accepted Answer

The inequality x₁ + x₂ + x₃ ≥ 2 ensures that the sum of the variables is at least 2, meaning at least two projects must be done.

Let X1 , X2 , and X3 Be 0 -

Let X₁ , X₂ , and X₃ Be 0 -