If marginal utility is positive, then as consumption increases: A.the consumer will not experience diminishing marginal utility. B.total utility will increase. C.total utility will not change. D.the demand curve will have a positive slope. 正确答案：total utility will increase.

Refer to the figure below. The total utility of consuming 4 pizzas a week is: A.90 B.15 C.75 D.22.5 正确答案：90

Refer to the figure below. The marginal utility of the 6th pizza is: A.17.5 B.5 C.95 D.100 正确答案：5

Refer to the figure below. The total utility of consuming two pizzas a week is: A.25 B.75 C.30 D.55 正确答案：25

Refer to the figure below. The marginal utility of the 7th pizza is A.-100. B.5. C.100. D.-5. 正确答案：-5.

Refer to the figure below. Total utility increases with each additional pizza up to the _ and then declines, but marginal utility _ with each additional pizza consumed. A.6th pizza; increases B.6th pizza; decreases C.5th pizza; stays the same D.7th pizza; increases 正确答案：6th pizza … 阅读详情>> "Refer to the figure below. Total utility increases with each additional pizza up to the _ and then declines, but marginal utility _ with each additional pizza consumed."

Donald has vast riches and consumes thousands of dollars’ worth of consumer goods each week, yet he is never satisfied. Why not? A.Donald fails to choose rationally. B.Utility is unrelated to the level of consumption. C.People’s wants are unlimited. D.The law of diminishing margi … 阅读详情>> "Donald has vast riches and consumes thousands of dollars’ worth of consumer goods each week, yet he is never satisfied. Why not?"

It is impossible for total utility to be _ when marginal utility is _. A.increasing; increasing B.increasing; decreasing C.decreasing; positive D.positive; negative 正确答案：decreasing; positive

For Michael, the first cup of coffee he drinks every morning is heavenly. The second one is pretty good, but not as good as the first, and if he drinks a third cup he feels jittery and sick. For Michael, the marginal utility from drinking a cup of coffee is clearly: A.negative. B … 阅读详情>> "For Michael, the first cup of coffee he drinks every morning is heavenly. The second one is pretty good, but not as good as the first, and if he drinks a third cup he feels jittery and sick. For Michael, the marginal utility from drinking a cup of coffee"

Refer to the figure below. The total utility of consuming two dinners out per week is: A.175. B.160. C.75. D.less than 100. 正确答案：175.

Refer to the figure below. The marginal utility of the 3rd dinner is A.75. B.160. C.135. D.60. 正确答案：60.

Refer to the figure below. The marginal utility of the 4th dinner out per week is A.250. B.15. C.60. D.75. 正确答案：15.