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Calculus with Applications | 10th Edition | ISBN: 9780321749000 | Authors: Margaret L. Lial, Raymond N. Greenwell, Nathan P. Ritchey
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Sales Sales of a new model of compact disc player are

Chapter 2, Problem 23A

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QUESTION:

Problem 23A

Sales Sales of a new model of compact disc player are approximated by the function S(x) = 1000 −800e−x, where S(x) is in appropriate units and x represents the number of years the disc player has been on the market.

a. Find the sales during year 0.

b. In how many years will sales reach 500 units?

c. Will sales ever reach 1000 units?

d. Is there a limit on sales for this product? If so, what is it?

Questions & Answers

QUESTION:

Problem 23A

Sales Sales of a new model of compact disc player are approximated by the function S(x) = 1000 −800e−x, where S(x) is in appropriate units and x represents the number of years the disc player has been on the market.

a. Find the sales during year 0.

b. In how many years will sales reach 500 units?

c. Will sales ever reach 1000 units?

d. Is there a limit on sales for this product? If so, what is it?

ANSWER:

Solution:

Step 1 of 5

In this problem, we have given that the sales of compact disc players are approximated by the given function

.

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