Answer the following statement(s) true (T) or false (F)
1. Artificial variables are added for the purpose of obtaining an initial basic feasible solution.
2. A solution is optimal when all values in the cj ? zj row of the simplex tableau are either zero or positive.
3. The variable to enter into the basis is the variable with the largest positive cj ? zj value.
4. The variable to remove from the current basis is the variable with the smallest positive cj ? zj value.
5. The coefficient of an artificial variable in the objective function is zero.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. FALSE
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