Let x₁ and x₂ be 0 - 1 variables whose values indicate whether projects 1 and 2 are not done or are done. Which answer below indicates that project 2 can be done only if project 1 is done? A) x₁ + x₂ = 1 B) x₁ + x₂ = 2 C) x₁ − x₂ ≤ 0 D) x₁ − x₂ ≥ 0

Question

Quizplus · Accepted Answer

The condition "project 2 can be done only if project 1 is done" translates to x₂ ≤ x₁, which is equivalent to x₁ − x₂ ≥ 0.

Let X1 and X2 Be 0 - 1 Variables Whose

Let X₁ and X₂ Be 0 - 1 Variables Whose