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Estimates using Functions and Derivatives

5. The number of new customers for an internet business, y, in a month is a function of the number of advertising email announcements, x, that are sent out that month. So y=f(x).
a) What is the meaning of f(1250)= 22 and f'(1250)= 0.06?
b) Use the information in part (a) to estimate f(1300) and f(1050). Of the two estimates, which do you think is the more reliable?

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Estimates using Functions and Derivatives are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.