a) Find a linear equation that relates V and t.

Algebra
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A small business buys a computer for $4600. After 4 years the value of the computer is expected to be $200. uses linear depreciation to assess the value of the computer at a given time. 

Feb 2nd, 2015

Assuming the relation between V and t is V=mt+b, where t has the unit of year

According to the description:  t=0, V=4600

So b=4600,     V=mt+4600

Also, when t=4, V=200

So 200=4m+4600,  -4400=4m,  m=-1100

Therefore V=4600-1100t

Feb 2nd, 2015

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Feb 2nd, 2015
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