Select the correct option from the following:

1. The logical approach, from beginning to end, for assembling a linear programming model begins with:

A. identifying the decision variables

B. identifying the objective function

C. specifying the objective function parameters

D. identifying the constraints

E. specifying the constraint parameters

2. Which objective function has the same slope as this one: $4x + $2y = $20?

A. $4x + $2y = $10

B. $2x + $4y = $20

C. $2x - $4y = $20

D. $4x - $2y = $20

E. $8x + $8y = $20

3. For the constraints given below, which point is in the feasible solution space of this maximization problem?

A. x = 1, y = 5

B. x = -1, y = 1

C. x = 4, y = 4

D. x = 2, y = 1

E. x = 2, y = 8

4. Which of the choices below constitutes a simultaneous solution to these equations?

A. x = 2, y = .5

B. x = 4, y = -.5

C. x = 2, y = 1

D. x = y

E. y = 2x

5. Which of the choices below constitutes a simultaneous solution to these equations?

A. x = 1, y = 1.5

B. x = .5, y = 2

C. x = 0, y = 3

D. x = 2, y = 0

E. x = 0, y = 0

6. What combination of x and y will yield the optimum for this problem?

A. x = 2, y = 0

B. x = 0, y = 0

C. x = 0, y = 3

D. x = 1, y = 5

E. none of the above