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destinym2020 destinym2020
  • 26-01-2017
  • Mathematics
Answered

you purchase a cell phone for $125. The value of the cell phone decreases by about $20 annually. write a function that models the value of the cell phone over time. then find the value of the cell phone after 3 years.

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texasbreebree
texasbreebree texasbreebree
  • 26-01-2017

y=125-20x ; the value of the cell phone after three years is $65.

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