Nonnegativity constraints ensure that _____.Group of answer choicesthe problem modeling includes only nonnegative values in the constraintsthe solution to the problem will contain only nonnegative values for the decision variablesthe objective function of the problem always returns maximum quantitiesthere are no inequalities in the constraints

Assuming W1, W2, and W3 are 0-1 integer variables, we have a constraint W1 + W2 + W3 ≤ 2 in the model. Which of the following statements is correct?Group of answer choicesminimum two variables can occur at the same time.all variables can be 0 at the same time.the variables are mutually exclusive.none of the above.

In a linear programming problem, both the objective function and the constraints must be linear functions of the decision variables.Group of answer choicesTrueFalse

Modelling a fixed cost problem as an integer linear program requiresGroup of answer choicesadding the fixed costs in the objective function.using 0-1 variables.using multiple-choice constraints.using LP Relaxation.

Which type of solution satisfies all the constraint expressions simultaneously?Group of answer choicesInfeasibleExtremeObjectiveFeasible PreviousNext

In which part(s) of a linear programming formulation would the decision variables be stated?Group of answer choicesobjective function and the left-hand side of each constraintthe right-hand side of each constraint onlythe left-hand side of each constraint onlythe objective function only