Question 10 (5 points) Find the maximum and minimum values of the objective function f(x, y) and for what values of x and y they occur, subject to the given constraints. f(x, y) = 10x + 4y x20 y20 2x + 10y s 100 9x + y s 54 O max at (5, 9) = 86, min at (0, 0) = 0 O max at (6, 12) = 108, min at (0, 0) = 0