Question: no excel or python please a) Solve the following LP graphically. minz=5x1+2x2s.t.x143x1+8x224x1+x27x1,x20 b) If the objective function coefficient of x1 is increased to 10 ,

no excel or python please

a) Solve the following LP graphically. minz=5x1+2x2s.t.x143x1+8x224x1+x27x1,x20 b) If the objective function coefficient of x1 is increased to 10 , what happens to the current optimal solution? Calculate the new z-value. c) If the objective function coefficient of x2 is increased to 7, what happens to the current optimal solution? Calculate the new z-value. d) Find the range for the RHS value of the first constraint to stay at the current optimal basis. If the RHS increases by 2 units, what is the new z-value? e) Find the range for the RHS value of the second constraint to stay at the current optimal basis. If the RHS increases by 6 units, what is the new z-value

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