Identify which of the following formulations is a Linear Programme. Select one: O a. Min 3x1 + x2 x3 Subject to: 2x1 - x2 ≤ 3 x2 + x3 > 2 X1, X2, X30 3x1 Subject to: x₁ - X2 ≥ 7 x1 - x3 ≤ 4 X1, X2, X3 > 0 Min -x+ 0.2y – 2z Subject to: xy - y + 3z ≤ 20 4y + 1.5z = 15 x, y, z ≥ 0 Min x + 5y³ - 6z Subject to: x - y ≤ 4 2x + z ≥ 6 3y2z = 7 x, y, z > 0 O b. Min O d. O e. None Time left 2:44:42