We are interested in solving the following optimization problem min ZER i az? + bx+c) Under what conditions does this optimization problem have (i) a unique solution, (ii) infinitely many solutions or (iii) no solution? Justify your answer. Assume that the optimization problem has a unique solution. Write down the closed-form expression for x* that minimizes the objective function, i.e. find x* = arg min er f(x). We are interested in solving the following optimization problem min ZER i az? + bx+c) Under what conditions does this optimization problem have (i) a unique solution, (ii) infinitely many solutions or (iii) no solution? Justify your answer. Assume that the optimization problem has a unique solution. Write down the closed-form expression for x* that minimizes the objective function, i.e. find x* = arg min er f(x)