The graph showing how many units consumers will want at different prices is called the demand curve.

• A. Cost curve
• B. Revenue curve
• C. Demand curve
• D. Supply curve

Answer: (C)

The demand curve captures how consumers respond to price changes by showing the quantity they want to buy at each price. This reflects the Law of Demand: as price falls, more people buy the product, and as price rises, fewer people buy. When you plot price on one axis and quantity demanded on the other, the resulting graph slopes downward, illustrating this inverse relationship.

This is different from cost curves, which relate to production costs; the revenue concept isn’t the standard graph for consumer demand; and the supply curve shows how much producers are willing to offer at each price, typically rising with price. So, the graph of consumers’ desired quantities at different prices is the demand curve.