Question: (c) Solve the following 2-dimensional LP problem by using the graphical so- lution method. 4 marks (min)f(x) = 5x1 + 4x2 s.t. X1 + x2

(c) Solve the following 2-dimensional LP problem by using the graphical so- lution method. 4 marks (min)f(x) = 5x1 + 4x2 s.t. X1 + x2 > 1 X1 X2 > 5 X1, X2 > 0. (d) Assume that variables Xi and X2 are integer in the previous model. Solve ILP problem by usling graphical solution method. 4 marks

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