Use the following information to answer the next four questions:
Solve the following linear program using the graphical solution procedure.
Minimize Z= 2X1 + X2
Subject to X1 < 15
X2 < 10
X1 +2X2 > 10
X1 -5X2 < 10
X1 X2 > 0
1. What is the nature of the mathematical expression (X1 + 2X2 > 10)
A. It is constraint that we have to observe when we try to obtain a solution to the problem
B. It is an objective function that we have to observe when we try to obtain a solution to the problem
C. It is a constraint that we do not need to observe when we try to obtain a solution to the problem
D. It is a non-negativity
E. None of the above statements are correct
2. What is the optimal solution for X1?
A. 0
B. 2.5
C. 5
D. 10
E. 15
3. What is the optimal solution for x2?
A. 0
B. 2.5
C. 5
D. 10
E. 15
4. What is the optimal value (Z) for the objective function (I.E. the best value you can get)?
A. 5
B. 10
C. 12.5
D. 25
E. 30