[-/3 Points] DETAILS LCALCCON5 3.1.027. The average surcharge for non-account holders who use an ATM can be modeled as f(x) = 0.004x3 - 0.061x2 + 0.299x + 0.899 dollars where x is the number of years since 1998, data between 1998 and 2007.+ (a) Write the derivative model for f. f' ( x ) = (b) Estimate the transaction fee in 2012. (Round your answer to two decimal places. ) $ (c) Estimate the rate of change of the ATM fee in 2008. (Round your answer to three decimal places.) $ per year Need Help? Read It