Question 5: (25 Points) (This question can be solved in 20 minutes easily) Find the optimal solution of the following LP model by the graphical solution method. (Clearly show your FSS region (write FSS inside your feasible solution space), clearly write the values of x1, x2 and z at your optimal solution) Min Z- X1 +X2 s.t. +3X2 2 1 8 6 +5X2 www -3X2 +5X2 1 X12 X220 Question 5: (25 Points) (This question can be solved in 20 minutes easily) Find the optimal solution of the following LP model by the graphical solution method. (Clearly show your FSS region (write FSS inside your feasible solution space), clearly write the values of x1, x2 and z at your optimal solution) Min Z- X1 +X2 s.t. +3X2 2 1 8 6 +5X2 www -3X2 +5X2 1 X12 X220