For a utility function u = xy + 3x + 4y, marginal utility of good x is:

Question:

For a utility function u = xy + 3x + 4y, marginal utility of good x is:

A.

xy + 3x + 4y

B.

y + 3

C.

x + 4

D.

y + 3x

Answer» b. y + 3

Note: The above multiple-choice question is for all general and Competitive Exams in India