Exam 7: Introduction to Linear Programming
Exam 1: Introduction50 Questions
Exam 2: Introduction to Probability53 Questions
Exam 3: Probability Distributions52 Questions
Exam 4: Decision Analysis48 Questions
Exam 5: Utility and Game Theory49 Questions
Exam 6: Forecasting60 Questions
Exam 7: Introduction to Linear Programming54 Questions
Exam 8: Lp Sensitivity Analysis and Interpretation of Solution49 Questions
Exam 9: Linear Programming Applications42 Questions
Exam 10: Distribution and Network Problems57 Questions
Exam 11: Integer Linear Programming49 Questions
Exam 12: Advanced Optimization Application42 Questions
Exam 13: Project Scheduling: Pertcpm41 Questions
Exam 14: Inventory Models54 Questions
Exam 15: Waiting Line Models52 Questions
Exam 16: Simulation49 Questions
Exam 17: Markov Processes44 Questions
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Does the following linear programming problem exhibit infeasibility,unboundedness,or alternate optimal solutions? Explain.
Min 3X + 3Y
s.t.1X + 2Y < 16
1X + 1Y < 10
5X + 3Y < 45
X ,Y > 0
(Essay)
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Whenever all the constraints in a linear program are expressed as equalities,the linear program is said to be written in
(Multiple Choice)
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Consider the following linear programming problem
Max 8X + 7Y
s.t.15X + 5Y < 75
10X + 6Y < 60
X + Y < 8
X,Y 0
a.Use a graph to show each constraint and the feasible region.
b.Identify the optimal solution point on your graph.What are the values of X and Y at the optimal solution?
c.What is the optimal value of the objective function?
(Essay)
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Use this graph to answer the questions.
Max 20X + 10Y
s.t.12X + 15Y < 180
15X + 10Y < 150
3X - 8Y < 0
X ,Y > 0
a.Which area (I,II,III,IV,or V)forms the feasible region?
b.Which point (A,B,C,D,or E)is optimal?
c.Which constraints are binding?
d.Which slack variables are zero?

(Essay)
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Find the complete optimal solution to this linear programming problem.
Min 3X + 3Y
s.t.12X + 4Y > 48
10X + 5Y > 50
4X + 8Y > 32
X ,Y > 0
(Essay)
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An infeasible problem is one in which the objective function can be increased to infinity.
(True/False)
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Does the following linear programming problem exhibit infeasibility,unboundedness,or alternate optimal solutions? Explain.
Min 1X + 1Y
s.t.5X + 3Y < 30
3X + 4Y > 36
Y < 7
X ,Y > 0
(Essay)
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Alternative optimal solutions occur when there is no feasible solution to the problem.
(True/False)
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Find the complete optimal solution to this linear programming problem.
Max 5X + 3Y
s.t.2X + 3Y < 30
2X + 5Y < 40
6X - 5Y < 0
X ,Y > 0
(Essay)
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In a linear programming problem,the objective function and the constraints must be linear functions of the decision variables.
(True/False)
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It is possible to have exactly two optimal solutions to a linear programming problem.
(True/False)
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