Which of These Statements Is Best

question 49

Multiple Choice

Which of these statements is best?

• A)Because slack variables yield no profit, they are not included in the objective function when creating the initial simplex tableau.
• B)For a maximization problem, the Z_j values in the body of the simplex table represent the gross profit given up by adding one unit of this variable into the current solution.
• C)In any linear programming problem, if a variable is to enter the solution, it must have a positive coefficient in the C_j - Z_j row.
• D)In a maximization problem, the C_j - Z_j row gives the net loss from introducing one unit of each variable into the solution.

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