An =( equal to ) constraint is often used for certain optional non-binding relationships. True False All the following statements about constraints are true EXCEPT A. relaxing a binding constraint does not improve a solution. B. for nonbinding inequality constraints, it is helpful to know how much the C. relaxing a nonbinding constraint does not improve a solution. D. a binding constraint limits the ability to improve the objective function. A parameter is a region that represents all permissible combinations of the decision variables in a linear programming model. True False The objective function Maximize Z=3x2+4y is appropriate for linear programming. True False