A linear programming problem may have more than one set of solutions. Answer True False

Question 3

In minimization LP problems the feasible region is always below the resource constraints. Answer True False

Question 19

Consider the following minimization problem:
Min z = x1 + 2x2
s.t. x1 + x2 ≥ 300
2x1 + x2 ≥ 400
2x1 + 5x2 ≤ 750
x1, x2 ≥ 0

What is the optimal solution? Write your answer in the form : ( x1, x2, z). (For example, the expression (10, 20, 50) means that x1 = 10, x2 = 20, and z = 50).

Question 20

Consider the following linear programming problem:
Max Z = $15x + $20y
Subject to: 8x + 5y ≤ 40
0.4x + y ≥ 4
x, y ≥ 0

At the optimal solution, what is the amount of slack associated with the first constraint?

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