D Question 4 1 pts Which of the following utility functions DOES NOT represent the same under-lying preferences? U1(x; y) = x1/3y2/3 and U2(x; y) = 3In x + 2In y 11. U1 (x; y) = x1/2 + y1/2 and U2(x; y) = 10 + x1/2 + y1/2 U1 (x; y) = 2x1/2 + y and U2(x; y) = 4x + 4x1/2 y + y2 O I only O II only O Ill only O Both I and Ill