Demand curves usually slope downward, and supply curves usually slope upward.
A demand curve in economics is a graph that shows the connection between the price of a given good and the amount that is desired at that cost. Levels can increase and can be applied to the price-quantity connection for either a specific consumer or for every consumer in a given market. The relationship between a product's price and the quantity that is required is shown graphically. The graph is built with the amount required on the horizontal plane and the price just on the vertical axis. A graph of the demand curve at each price is called a demand curve. Because it is a visual portrayal of the demand schedules, the demand curve is occasionally referred to as a demanding schedule.
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