Market research tells you that if you set the price of an item @ 1.50, you will be able to sell 5000 items; and for every 10 cents you lower the price below 1.50 you will be able to sell another 1000 items. Let x be the # of items you can sell, and P = the price of an item. A) Express P linearly in terms of x (in other words, in the form P = mx + b) B) express x linearly in terms of P. Thanks to anyone who can help!
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