Sandra has the following preferences over cookies (x) and tea
(y) u(x, y) = min(4x, 2y)
(a) Are Sandra’s preferences complete, transitive, and
continuous? Explain/Prove your answer and state the definitions for
completeness, transitivity, and continuity. (6 points) 4
(b) Are Sandra’s preferences monotone? If yes, are they strongly
monotone or weakly monotone? Define weak and strong monotonicity
and then prove your answer. (5 points)
(c) Are Sandra’s preferences strictly convex? Prove your answer
(3 points) 5
(d) Graph Sandra’s...