A coffeeshop in New York City determines that it can sell 4000 cups of coffee at a price of 1 50 but for every 1 increase in the

Question

A coffeeshop in New York City determines that it can sell 4000 cups of coffee at a price of 1 50 but for every 1 increase in the price their sales will decrease by 4400 cups and for every 1 decrease their sales will increase by 4400 cups A function giving the revenue earned when the price of coffee is dollars per cup is R x

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