14. Constrained optimization models have three major components: decision variables, objective function, and constraints. This can be the component of. (1 Point) Linear Programing Problem Formulating LP Mathematical Techniques Simplex Model 15. The main limitation of operations research is that it often ignores the human element in the production process (1 Point) True False 16. In marking assignments, which of the following should be preferred? (1 Point) Only row having single zero Only column having single zero Only row/column having single zero Column having more than one zero as except 17. Some of the advantages of duality are (1 Point) Understanding the dual problem leads to specialized algorithms for some important classes of linear programming problems. The dual can be useful for sensitivity analysis. Sometimes finding an initial feasible solution to the dua s much easier than finding one for the primal. The dual can be as base for simple model or the modified one. 18. Sensitivity Analysis mean. (1 Point) How much can the objective function coefficients change, how much can the right hand side of the constraints change and how much value is added/reduced to the objective function if you have a larger/smaller quantity of a limited resource? How much can the objective function coefficients change with the change of right hand side of the constraints change and with change of the value is added/reduced to the objective function if you have a larger/smaller quantity of a limited resource? How much can the objective function coefficients change, and how much value is added/reduced to the objective function if you have a larger/smaller quantity of a limited resource? d. None of the above 19. The objective function for a L.P model is 3x1+2x2, if x1=20 and x2=30, what is the value of the objective function? (1 Point) 0