QUESTION 18 In a distillation process, if the feed condition (q) is 0.75 and the feed composition (XF) is 0.43, then feed section operating line (q-line) equation is: [Marks are awarded per correct statement. -4 marks for incorrect answer] a.y = -3.0000 x + 1.7200 b.y = -3.0135 x + 1.7297 Ocy = 1.7207 x + 3.9065 d.y = - 3.0100 x + 1.7200 e.y = -5.0021 x + 1.7209