If a 10 percent rise in the price of bananas leads to a 20 percent reduction in the quantity of bananas demanded, then the price elasticity of demand is 0.50

Which of the following is true? a. A good for which the marginal utility of the last unit of a good consumed is greater will provide more total utility from consumption of the good. b. If marginal utility is positive but diminishing, total utility increases with consumption of a good

c. If marginal utility is diminishing, total utility must be diminishing. d. Total utility is equal to the change in marginal utility from consuming an added unit of a product.

Suppose market demand facing a monopolist is given by . Then the monopolist's marginal revenue curve (in the absence of price discrimination) is

A.

B.
C.
D.
E.
F.