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Paulo earns a salary of 15000$ per month for selling cell phones. He receives an extra 30$ for each cell phone over 100 units that he sells. How much will be make if he sells R cell phones? 50 cell phones?
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A company selling cell phones has a total inventor of 800 phones. Of these phones, 400 are smartphones and 240 are black. If 200 phones are not black and not a smartphones, how many are black smartphones?
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The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently,
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suppose the revenue in dollars from selling x cell phones is R(x)= 1.2x^2+220x. the cost in dollars of selling x cell phones is C(x)=0.05x^32x^2 +65x+500. find the profit function P(x)=R(x)C(x). find the profit if x=15 hundred
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