Question 1011982: A boat that has a value of 1,000,000 on January, !, 201. Its values decrease at rate of 20 percent per year. I dont really need help on a and b but c is hard.
a. write a function for the value V(t) of the boat after t years 1,000,000(.98)^t
b.what is the value of the boat at the beginning f 2020 t=5 it was 327680
c. what is the average rate of change of the value of the boat from the beginning of 2015 (t=0) to the beginning of 2020 (t-5). be sure to include the units in your answer.
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! After 5 years it is
1,000,000(1-0.20)^5
0.8^5=0.32768
So after 5 years, it is worth $327,680.
The average change is the decrease over 5
That is $672,320/5=$134,464 decrease per year average.
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