Question

Until​ recently, hamburgers at the city sports arena cost

$ 2.50$2.50

each. The food concessionaire sold an average of

2 comma 5002,500

hamburgers on game night. When the price was raised to

$ 2.80$2.80​,

hamburger sales dropped off to an average of

2 comma 2002,200

per night. The​ concessionaire's fixed costs were

​$566.40566.40

per night and the variable cost was

​$1.301.30

per hamburger.

a)Assume that the relationship between price p and demand x is linear. Express p as a function of x and find the domain of this function.

Answer 1