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The average surcharge for non-account holders who use an ATM can be modeled as fix) = 0.004x3 - 0.061x2 0.299x0.899 dollars where x is the number of years since 1998, data between 1998 and 2007.t (a) Write the derivative model for f. f'(x) dollars per year is the rate of change of the average surcharge for non-account holders who use an ATM where x is the number of years since 1998. Data from 1998 to 2007. (b) Estimate the transaction fee in 2014. (Round your answer to two decimal places.) $ (c) Estimate the rate of change of the ATM fee in 2012. (Round your answer to three decimal places.) per year $

The average surcharge for non-account holders who use an ATM can be modeled as fix) = 0.004x3 - 0.061x2 0.299x0.899 dollars where x is the number of years since 1998, data between 1998 and 2007.t (a) Write the derivative model for f. f'(x) dollars per year is the rate of change of the average surcharge for non-account holders who use an ATM where x is the number of years since 1998. Data from 1998 to 2007. (b) Estimate the transaction fee in 2014. (Round your answer to two decimal places.) $ (c) Estimate the rate of change of the ATM fee in 2012. (Round your answer to three decimal places.) per year $

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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The average surcharge for non-account holders who use an ATM can be modeled as fix) = 0.004x3 - 0.061x2 0.299x0.899 dollars where x is the number of years since 1998, data between 1998 and 2007.t (a) Write the derivative model for f. f'(x) dollars per year is the rate of change of the average surcharge for non-account holders who use an ATM where x is the number of years since 1998. Data from 1998 to 2007. (b) Estimate the transaction fee in 2014. (Round your answer to two decimal places.) $ (c) Estimate the rate of change of the ATM fee in 2012. (Round your answer to three decimal places.) per year $
Transcribed Image Text:The average surcharge for non-account holders who use an ATM can be modeled as fix) = 0.004x3 - 0.061x2 0.299x0.899 dollars where x is the number of years since 1998, data between 1998 and 2007.t (a) Write the derivative model for f. f'(x) dollars per year is the rate of change of the average surcharge for non-account holders who use an ATM where x is the number of years since 1998. Data from 1998 to 2007. (b) Estimate the transaction fee in 2014. (Round your answer to two decimal places.) $ (c) Estimate the rate of change of the ATM fee in 2012. (Round your answer to three decimal places.) per year $
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