:: Answer the following questions: a. In a cost minimization problem, the distance between two points in km is taken as the equivalent travel time as minutes. Discuss the drawbacks or correctness of such an assumption -15p b. In a simple optimization problem, the objective function is expressed as 3x-2y and this value is requested to be maximized. The constraints of the problem are, for positive values of x and y as follows: x - 2y X = 2