You work for a company producing cell phones.  The cost C for producing x cell phones is C(x)=240x+50,000.  The revenue R received from selling x phones is modeled with the function R(x)=2000x−10x2. What number of cell phones would give your company the maximum profit?  Round to the nearest whole number if necessary. How much profit would your company make for this number of phones?  Round to the nearest cent if necessary. On the same coordinate system, graph the cost, revenue, and profit functions.  Be sure to make your graph large enough to show the appropriate detail and choose appropriate scales on each axis.

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.CR: Review Problem Set
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You work for a company producing cell phones.  The cost C for producing x cell phones is C(x)=240x+50,000.  The revenue R received from selling x phones is modeled with the function R(x)=2000x−10x2.

  1. What number of cell phones would give your company the maximum profit?  Round to the nearest whole number if necessary. How much profit would your company make for this number of phones?  Round to the nearest cent if necessary.
  2. On the same coordinate system, graph the cost, revenue, and profit functions.  Be sure to make your graph large enough to show the appropriate detail and choose appropriate scales on each axis. 
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