The rational expression describes the cost, in millions of dollars, to inoculate x percent of the population

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The rational expressionimage


describes the cost, in millions of dollars, to inoculate x percent of the population against a particular strain of flu.


a. Evaluate the expression for x = 40, x = 80, and x = 90. Describe the meaning of each evaluation in terms of percentage inoculated and cost.


b. For what value of x is the expression undefined?


c. What happens to the cost as x approaches 100%? How can you interpret this observation?

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College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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