Which of the following statements are true regarding decision variables?Group of answer choicesMeasure the objective function.Measure the values of each constraint.Measure how much or how many items to produce, purchase, hire, etc.Always exist for each constraint.

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

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

What-if analysis:A) may involve changes in the objective function coefficients.B) requires that only one parameter change while the rest are held fixed.C) may involve changes in the right-hand side values.D) All of the choices are correct.E) None of the choices is correct.

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.

Which of the following statements is true about choice activities?Question 30Answera.They are limited to specific age groupsb.They do not require any thought or considerationc.They always have a right or wrong answerd.They can help improve decision-making skills