Question: 1a: Solve the following linear programming model graphically. max 2 = 7x1 + 4x2 subject to 2x1 + x2 0 Interpret the change in the

1a: Solve the following linear programming model

1a: Solve the following linear programming model graphically. max 2 = 7x1 + 4x2 subject to 2x1 + x2 0 Interpret the change in the optimal point, if the objective function coefficient of x2 decreases to 3. 1b: The excel solution of the mathematical model represented in part a is given in the following table. Please fill the missing parts (shown with ?) of the table. Variable Cells Final Reduced Objective Cell Name Value Coefficient $B$14 x1 20 0 $B$15 x2 80 0 Cost Constraints Final Shadow Constraint Cell Name Value Price R.H. Side $C$4 Const1 ? 3 ? $C$5 Const2 ? 1 ? $C$6 Const3 ? 0

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