Bookmarks Window Help & elearn.ucr.edu LEARN "Practic... U G M M M a S S C C Page 2 10. Suppose that Gavin experiences constant marginal utility for brownies (B) and donuts (D). The utility he gets from eating a brownie is four times larger than the utility he gets from a donut. Which of the following describes a potential utility function for Gavin? a. U = 4B+D c. U = min(B, - D) b. U = min(- B,D) B+ D du= 11. What is the difference between a demand curve and an Engel curve for a good x? a. A demand curve defines the number of x's the consumer wants to purchase at different prices. An Engel curve defines the number of x's the consumer wants to purchase at different levels of income. b. A demand curve defines the number of x's the consumer wants to purchase. An Engel curve defines the prices for the good the consumer is considering C. A demand curve defines the number of x's the consumer wants to purchase. An Engel curve defines the number of x's the consumer can afford. d. A demand curve defines the number of x's the consumer wants to purchase. An Engel curve defines the amount of income the consumer has