Mathematics, 28.08.2020 05:01 raenfall455
Suppose you own a car that is 40 months old. From an automobile dealer's "Blue
Book" you find that its trade-in value is $3200. From an old Blue Book you find
that its trade-in value 10 months ago was $4700.
a. Write a function expressing trade-in value as a function of the cars age in
months.
b. You plan to get rid of the car when its trade-in value drops to $1000. How
much longer should you keep the car?
c. What does the slope of your function represent in the real world? Why is
it negative?
d. When do you predict that car will be worthless? How do you know this?
e. According to your model, what was the trade-in value of the car when it
was new?
Answers: 1
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What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio
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Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?
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Suppose you own a car that is 40 months old. From an automobile dealer's "Blue
Book" you find that...
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