Mathematics, 26.11.2019 21:31 MalikaJones

An online music store sells about 4000 songs each day and charges $1 per song. for each $0.05 increase in price per song, about 80 fewer songs are sold each day. write a quadratic function that models the revenue for the sale of songs.

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An online music store sells about 4000 songs each day and charges $1 per song. for each $0.05 increa...

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