Answer the following statement(s) true (T) or false (F)
1. The range of optimality is useful only for basic variables.
2. The range of optimality is calculated by considering changes in the cj ? zj value of the variable in question.
3. As long as the objective function coefficient remains within the range of optimality, the variable values will not change although the value of the objective function could.
4. If the simplex tableau is from a maximization converted from a minimization, the signs and directions of the inequalities that give the objective function ranges will need to be adjusted to apply to the original coefficients.
5. The ranges for which the right-hand-side values are valid are the same as the ranges over which the dual prices are valid.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
5. TRUE
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