consider the following problem. Maximize Z = 90×1 + 70×2 su

consider the following problem. Maximize Z = 90×1 + 70×2 subject to 2×1 + x2 <= 2 x1 - x2 >= 2 and x1 >= 0 x2 >= 0. a) demonstrate graphically that this problem has no feasible solutions

consider the following problem. Maximize Z = 90×1 + 70×2 su

consider the following problem. Maximize Z = 90×1 + 70×2 subject to 2×1 + x2 <= 2 x1 - x2 >= 2 and x1 >= 0 x2 >= 0. a) demonstrate graphically that this problem has no feasible solutions