Question: 3. A linear programming model is given as follows: Maximize Subject to Z=6.5x + 10x2 2x1 + 4x2 40 x1 + x2 12 8

3. A linear programming model is given as follows: Maximize Subject to Z=6.5x + 10x2 2x1 + 4x2 40 x1 + x2 12 8 x1,x20 x1 (Accept both geometric method and Excel Solver) (a) Define the feasible solution area and obtain the optimal solution graphically. (b) Write the model in the standard form using slack or surplus variables for all the constraints. (c) Compute the values of the slack/surplus variables at the solution in (a). (d) If the third constraint, x 8, is changed to x 8, what effect will be?

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