Answer:
Price demand function
Explanation:
The price demand function is the function in which there is a relationship between the demand and the price of the product
The Price demand function is
![= Price * demand](https://img.qammunity.org/2021/formulas/mathematics/college/lr0cwr5jsths0o9f1zyxskzeppnsh4y43o.png)
![= p * x](https://img.qammunity.org/2021/formulas/mathematics/college/hgtcxgjrx44g0d3l6buwz7o4tp0kcwxvkx.png)
hence, the price demand function represents that there is a relationship that lies between the demand and the price