Write an exponential decay function in the form f(x)=abx for each of Car A and Car B. Explain how you determined the value of b for each function.

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Step-by-step explanation:

Given details help to determine the function only. There is no relationship between the mileage and future cost. We only consider the current price, decay rate and number of years.Car ACost = 8750Year of Manufacturer = 2015Decay factor = 12% or 0.12

The function would be:

f(x) = 8750*(1 - 0.12)^x = 8750*0.88^x, where x is the number of years since year 2015Car BCost = 9995Year of Manufacturer = 2017Decay factor = 18% or 0.18

The function would be:

f(x) = 9995*(1 - 0.18)^x = 9995*0.82^x, where x is the number of years since year 2017

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