5. $50x₁ + $25x₂ is the objective function to maximize profit. What is the value of x₂ if we produce 20 units of x₁ and our profit is $2000?

Multiple Choice

• 20
• 40
• 30
• 50

6.Each unit 1 requires 5 hours of inspection time and each unit 2 requires 8 hours of inspection time. With 45 hours of inspection time available what is the formula for the inspection constraint?

Multiple Choice

5x₁ 8x₂ 45

5x₁ 8x₂ 45

5x₁ 8x₂ 45

5x₁ + 8x₂ 45

8.In linear programming decision variables refer to choices of amounts of either inputs or outputs.

Multiple Choice

• True
• False

9.What is the formula for the objective function based on the following: Profit per unit for type 1 is $70 and profit per unit for type 2 is $55. We want to maximize profit.

Multiple Choice

70x₁ 55x₂

70x₁ 55x₂

70x₁ - 55x₂

70x₁ + 55x₂

11.

An aggregate plan shows inventory at the end of March = 0 units. Forecast demand for April = 200 units Production output expected during April = 350 units. Number of back orders at the end of March = 50 units.

What is the expected inventory at the end of April?

Multiple Choice

• 0 units
• 150 units
• 100 units
• 200 units

13.Information needed to develop a master production schedule includes beginning inventory, demand forecasts, and actual customer orders.

Multiple Choice

• True
• False

14.An important difference in aggregate planning for services when compared to manufactured products is:

Multiple Choice

• Demand is more predictable for services
• It is much easier to hire and lay off workers for services
• Capacity is not limited by staffing level for services
• Services can't be inventoried