SOLUTION: Jasmine's car was worth $11,000 at the beginning of 2000 and the value of the car decreased exponentially, decreasing by 20% each year.
a. Write a function f that determines th
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Question 1124886: Jasmine's car was worth $11,000 at the beginning of 2000 and the value of the car decreased exponentially, decreasing by 20% each year.
a. Write a function f that determines the value of Jasmine's car (in dollars) in terms of the number of years t since the beginning of 2000.
b. How many years after the beginning of 2000 was Jasmine's car worth $6,000?
c. How many years after the beginning of 2000 was Jasmine's car worth $3,400?
Found 2 solutions by MathLover1, josmiceli:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
Jasmine's car was worth $ at the beginning of and the value of the car decreased exponentially, decreasing by % each year.
use depreciation formula:
where:
= future value
= current value
= depreciation per period
= number of periods
a. Write a function that determines the value of Jasmine's car (in dollars) in terms of the number of years since the beginning of .
since the beginning of to this year, there is
if car was worth $ at the beginning of , and the value decreasing by %= each year
this year is worth:
b. How many years after the beginning of was Jasmine's car worth $?
->little over and half years; so, it was in
c. How many years after the beginning of was Jasmine's car worth $?
->little over years and three months; so, it was in at beginning of
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(a)
(b)
Take the log base 10 of both sides
yrs
——————————-
(c)
Take log of both sides
yrs
———————————-
Get 2nd opinion if needed
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