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Mathematics 18 Online
OpenStudy (anonymous):

Need help! please! Dan bought a truck for $29,800. The value of the truck depreciated at a constant rate per year. The table below shows the value of the truck after the first and second years: Year 1 2 Value (in dollars) 26,522 23,604.58 Which function best represents the value of the truck after t years? A. f(t) = 29,800(0.89)t B. f(t) = 26,522(0.89)t C. f(t) = 29,800(0.11)t D. f(t) = 26,522(0.11)t

OpenStudy (carlosjose):

hey

OpenStudy (anonymous):

hi

OpenStudy (anonymous):

I dont know the answer

OpenStudy (danjs):

sure there isnt a - sign in there?

OpenStudy (anonymous):

i know

OpenStudy (anonymous):

yes I'm sure

OpenStudy (danjs):

(Change in value in one year) / (starting value) = -0.11 11% per year

OpenStudy (danjs):

so after 1 year, the value is 100 - 11 = 89% of the original value

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

thanks for all your help

OpenStudy (danjs):

the original value times 0.89 times time

OpenStudy (anonymous):

do you know how to give a medal?

OpenStudy (danjs):

me?

OpenStudy (anonymous):

yes

OpenStudy (danjs):

i never have, ive been here only a few days, i think you just hit "best answer", could be wrong though

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