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Posted by on Tuesday, February 12, 2013 at 5:34pm.

Robin bought a computer for $1,250. It will depreciate, or decrease in value, by 10% each year that she owns it.

a) Is the sequence formed by the value at the beginning of each year arithmetic, geometric, or neither? Explain.
b) Write an explicit formula to represent the sequence.
c) Find the value of the computer at the beginning of the 6th year.

  • algebra - , Tuesday, February 12, 2013 at 5:52pm

    Value = 1250(.9)^n

    does that look arithmetic or geometric to you ?

  • algebra - , Monday, April 7, 2014 at 2:15pm

    yes

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