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an online electronic store sells 600 sets of headphones per month, at an average profit of...

an online electronic store sells 600 sets of headphones per month, at an average profit of 40$ per set. it is estimated that for each 2$ price discount, the store will sell an extra 50 sets each month.

1) let P be the profit and let n be the number of headphone sets that are sold. write P as a function of n.

2) find maximum profit.

Math   Precalculus   
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