Use graphical methods to solve the linear programming problem. O A. Minimum of 0 when x = 0 and y = 0 Minimize z = 2x + 4y Subject to: O B. Minimum of 20 when x = 2 and y = 4, as well as when x = 0 and y = 10, and all points on x + 2y = 10 the line connecting these two points 3x + y 2 10 O C. Minimum of 20 when x = 10 and y = 0 x20 y20 O D. Minimum of 20 when x = 2 and y = 4, as well as when x = 10 and y = 0, and all points on the line connecting these two points Graph the feasible region for the system of inequalities. 3x + 5y s 15 x - 3ys3 O A. O B. O C. OD. A A