Question 2 1 pts Consider the following linear program (LP): Max Z=-3*x +4*y subject to - X + y s 1 2*x - y s 2 X + Y S4 x, y20 Which of the following are true? Note: For these problems the LP is similar except the constraints may change from "greater-than- or-equal to" to "less-than-or-equal to" or vice versa. For each problem, check your constraints and the feasible region carefully. (x,y) - (1.5, 2.5) is feasible corner point to this LP. There is a feasible solution to this LP. Exactly two of these answers are correct. This LP is unbounded, that is, there is no optimal solution There are four feasible corner points in this problem, Question 3 1 pts Consider the following linear program (LP): Max Z=-3*x +4*y subject to -X + y 1 2*x - y s 2 X + y s 4 x, y20 Which of the following are true? Note: For these problems the LP is similar except the constraints may change from "greater-than- or-equal to" to "less-than-or-equal to" or vice versa. For each problem, check your constraints and the feasible region carefully. Exactly two of the answers are correct. This LP has an unbounded feasible region. This LP is unbounded, that is, there is no optimal solution. (x,y) - (2.0, 2.0) is feasible corner point to this LP. O An iso-profit line for this LP is: y = 0.75 x - 3 Question 4 1 pts Consider the following linear program (LP): Max Z=-3*x +4*y subject to -x + 1 2*x - y > 2 X + y s 4 x, y20 - Which of the following are true? Note: For these problems the LP is similar except the constraints may change from "greater-than- or-equal to" to "less-than-or-equal to" or vice versa. For each problem, check your constraints and the feasible region carefully. Exactly two of the answers are correct. The feasible region is bounded. There are three feasible corner points in this problem. There is no feasible solution to this LP. O (x,y) = (3.0, 4.0) is feasible corner point to this LP