Question

A local store sells key chains for $12. At this price, the store sells and average of 120 key chains each month. Market research says that for every $1 increase in price, the manager of the store can expect to sell five fewer key chains each month. Write a quadratic function to model the revenue in terms of the increase in price.

Answer 1

Answer:

sorry I don't know the answer because I didn't understand the question

Answer 2

Answer:

sorry, I can not solve it. could you do this to me, please