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QUESTION 1
a) Solve the following LP problem by using a graphical method/procedure:
Maximize z = x1-2x2
subject to
2x1 + x2 ≤ 16
3x1 - 2x2 ≥ 12
x1 ≤ 7
x1 , x2 ≥ 0
a) Solve the following LP problem by using a graphical method/procedure:
Maximize z = x1-2x2
subject to
2x1 + x2 ≤ 16
3x1 - 2x2 ≥ 12
x1 ≤ 7
x1 , x2 ≥ 0
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1. An integrality condition indicates that some (or all) of the?
a. RHS values for constraints must be integer
b. objective function coefficients must be integer
c. constraint coefficients must be integer
d. decision variables must be integer
____ 2. Which of the following are potential pitfalls of using a non-zero suboptimality tolerance factor?
a. No assurance the returned solution is optimal.
b. No assurance the returned solution is integer.
c. The true optimal solution may be worse than the returned solution.
d. There are no pitfalls to consider since the Solver will obtain solutions quicker.
a. RHS values for constraints must be integer
b. objective function coefficients must be integer
c. constraint coefficients must be integer
d. decision variables must be integer
____ 2. Which of the following are potential pitfalls of using a non-zero suboptimality tolerance factor?
a. No assurance the returned solution is optimal.
b. No assurance the returned solution is integer.
c. The true optimal solution may be worse than the returned solution.
d. There are no pitfalls to consider since the Solver will obtain solutions quicker.
Consider the constraint
X3 + X4 + X5 + X6 + X7 27
representing Air Express' Monday worker requirement. Why was a "" used versus an "="?
a. The "" is needed to accommodate workers held over from Sunday.
b. Solver only accepts "" constraints.
c. The "" is less restrictive.
d. The "=" will always produce an infeasible constraint.
X3 + X4 + X5 + X6 + X7 27
representing Air Express' Monday worker requirement. Why was a "" used versus an "="?
a. The "" is needed to accommodate workers held over from Sunday.
b. Solver only accepts "" constraints.
c. The "" is less restrictive.
d. The "=" will always produce an infeasible constraint.
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#340153 on Dec 2023
#340153 on Dec 2023