QUADRATICS WORD PROBLEM
An online, music service called peach music can sell 600 new subscription every week at $6.00per new subscription. The manager is considering increasing the price. A marketing survey showed that for every $0.50 increase in price, there would be 30 fewer new subscriptions.
If x is the number of price increases and R is the revenue in dollars, this situation cann be moddle by the following equation: R=-15x^2+120x+3600
a) What price should they set per subscription in order to obbtain the maximum weekly revenue?
b)How many subsripton would they sell in order to achive this maximum revenue?
Calculate the necessary values by first completing the square and then the quadratic formula. Show all your work.
Answers
Answer:
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