# What is the minimum number of constraints that need

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5. What is the minimum number of constraints that need to be listed in solver for the following LP model? Let N = the number of newspaper ads Max 10000T + 3000R + 5000N s.t. 500T + 200R + 400N 10000 30T + 40R + 25N 1000 T - R 4 T, R, N 0 a. 1 b. 2 c. 3 d. 4 6. A marketing research application uses the variable HD to represent the number of homeowners interviewed during the day. The objective function minimizes the cost of interviewing this and other categories and there is a constraint that HD > 100. The solution indicates that interviewing another homeowner during the day will increase costs by 10.00. What do you know? 7. Let M be the number of units to make and B be the number of units to buy. If it costs \$3 to make a unit and \$2 to buy a unit and 4000 units are needed, the objective function is a. Max 2M + 3B b. Min 3M + 2B c. Min 4000 (M + B) d. Max 8000M + 12000B 8. Let A, B, and C be the amounts invested in companies A, B, and C. If no more than 40% of the total investment can be in company B, then 9. If P ij = the production of product i in period j, then to indicate that the limit on production of the company’s three products in period 2 is 400, Comm 251 F04 Page 2 of 6 Term Exam 1

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• Spring '12
• Herst
• Optimization, Comm, Limit of a function, objective function, 12-hour clock, Term Exam

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