Consider the Utility Function U = 5x +3y², Which Has $M R S_{x, y}$

Multiple Choice

Consider the utility function U = 5x +3y², which has MU_x = 5 and MU_y = 6y. The indifference curves for this utility function

A) will be straight lines.
B) will have the same $M R S_{x, y}$ as y increases holding x constant.
C) will have the same $M R S_{x, y}$ as x increases holding y constant.
D) will have a diminishing marginal rate of substitution as the consumer substitutes x for y .