Let x₁,x₂,and x₃ be 0-1 variables whose values indicate whether the projects are not done (0)or are done (1).Which of the following answers 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 correct choice is A because it 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 0-1 Variables Whose Values Indicate Whether

Let X₁,x₂,and X₃ Be 0-1 Variables Whose Values Indicate Whether