Camill0310
04.12.2019 •
Mathematics
Which situation matches the d=rt graph?
a. a distance of 24 kilometers is covered in 2 hours
b. a good equation would be d=36t
c. a distance of 2 kilometers is covered in 24 hours
d. at time = 0, the distance is 10 kilometers
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Ответ:
Step-by-step explanation:
The exponential decay function is
where a is the initial value of the car, b is the rate of decay, and t is the time in years. Our rate of decay can also be written as (1 - r) where r is the depreciation in decimal form. Our equation looks like this:
which simplifies to
Now we can solve our problem for any number of years you'd like. We've been tasked to find the value of the car after 3 years, so:
which simplifies a bit to:
so
v(t) = 8043.57