The function f(x)=17,400(0.85)^x
represents the values of a certain type of car x years after it is purchased. Xavier states that the decay rate of the value of the car is 85%. Which accurately describes Xavier’s statement?
A. Xavier correctly determined the decay rate of the value of the car.
B. Xavier should have subtracted 0.85 from 1 to determine a decay rate of 15%.
C. Xavier should have added 0.85 to 1 to determine a decay rate of 1.85%.
D. Xavier should have divided 1 by 0.85 to determine a decay rate of 1.18%.
1 answer
B. Xavier should have subtracted 0.85 from 1 to determine a decay rate of 15%.
1 answer