The demand curve facing a monopolist is:

A) vertical,the same as that facing a perfectly competitive firm.
B) perfectly inelastic,the same as that facing a perfectly competitive firm.
C) upward sloping,the same as that facing a perfectly competitive firm.
D) downward sloping,like the industry demand curve in perfect competition.

Downward Sloping

Describes a line on a graph that depicts a decrease in value or quantity as another variable increases, commonly seen in demand curves.

Demand Curve

A graph representing the relationship between the price of a good and the amount of it that consumers are willing and able to purchase at various prices.

Perfectly Inelastic

A situation in demand or supply where a change in price does not result in any change in the quantity demanded or supplied, represented by a vertical curve.