Which of the following is not true of artificial variables?
A) They have no meaning in a physical sense-nothing more than a computational tool.
B) In all linear programs,they appear in the objective function with a very low cost ($M) .
C) They are usually used with ≥ constraints.
D) They are usually used with = constraints.
E) None of the above
Correct Answer:
Verified
Q46: Using the simplex method,we know we have
Q47: If one changes the contribution rates in
Q48: Table M7-2 Q49: A slack variable Q50: The number -2 in the X2 column Q52: Shadow prices represent Q53: The substitution rates Q54: Shadow prices Q55: Consider the following linear programming problem: Maximize Q56: Table M7-1 
A)is added to each ≤
A)the value of one additional
A)decrease with each iteration of
A)can be derived from the coefficients
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