What is an infeasible linear optimization problem? How do we find if a given linear optimization problem is infeasible? Give a real world example of a linear optimization problem where infeasibility may occur.

Describe the concept and process of spreadsheet modeling and analysis. Give a real world example where spreadsheet modeling and analysis is useful.

What is a marketing problem in applications of linear optimization? Briefly discuss the decision variables, the objective function, and the constraint requirements in a marketing problem. Give a real world example of a marketing problem.

Explain how the simulation process is used in business analytics models. What are the advantages of using simulation? What are its limitations? How can a simulation model be verified? Give a real world example where using simulation is appropriate.