Answer :
If hot dogs and hamburgers are substitutes and the price of hot dogs increases, the demand curve for hamburgers to shift to the right.
The demand curve is a graphical depiction of the connection between the cost of a commodity or service and the amount demanded over a specific time period. The price and quantity demanded are often represented with the price on the left vertical axis and the horizontal axis, respectively. The law of demand states that when the price of a given good rises, the quantity required falls, all other things being equal. This is expressed by the demand curve moving downward from the left to the right.
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