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Exponential Growth/Decay Function
The value of a car is $21,500. It loses 12% of its value every year.
(a) Write a function that represents the value y (in dollars) of the car after x years. (b) Use the function to estimate the value of the car after 6 years. (round your answer to the nearest whole number)

Respuesta :

Did you get the answer for part b?
DroctorWellsfan
(a)          21500(0.88) ᣔx
          y = A(1-r)ᣔx 
         = 21500 (1-0.12) ᣔx  
         = 21500(0.88) ᣔx
 
   (b)    $9,985
        21500(0.88) ᣔ6 = 9985
·      0.88ᣔ6 = 0.46440408
·      21500 *  0.46440408 = 9984.68 -> 9985                

I this right

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