Question: Solve the following LPs using the simplex method. Comment on whether the optimal objective function value is bounded or unbounded. If the optimal objective

Solve the following LPs using the simplex method. Comment on whether the optimal objective function value is bounded or unbounded. If the optimal objective function value is unbounded, then find a direction of unbound- edness. If the optimal objective function value is bounded, then comment on whether the optimal solution is unique or there are multiple optimal solutions. (a) @ (d) max 2x + x x.t. -21+2252 -21 +254 21.22 20 max 2r + 3xy s.t. 21-2 2 -271+ 3 1.220. max 5r1 +4 s.t. 21 + $12 21 +47 512 -271+51 3251 $1,42 20 max 24r +60ry-3-674 st. +37-55 2r+62-22 10 11.12.20 max 5x +5x s.t. 21 + 6 -3+420 $1.3220

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