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Question 261842: I have to solve a depreciation problem I am not sure how to do this I have found the slope it is -6000 the coordinates of two points on the graph I have picked are (1.0,108000)and (2.0, 114000)the cost of the printing press in the year 2006 120,000. the graph shows the depreciation in 6month intervales
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! I have to solve a depreciation problem I am not sure how to do this I have found the slope it is -6000 the coordinates of two points on the graph I have picked are (1.0,108000)and (2.0, 114000)the cost of the printing press in the year 2006 120,000. the graph shows the depreciation in 6month intervales
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Comment: The slope is the change in y for each change of one in x.
Your x changes one, but your y value has increased. That is not a
decreasing function.
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Are you sure you are not supposed to use an exponential function
to show your depreciation?
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For example, if "y" decreases 8% each 5 years you
could use y = P(0.92)^(t/5) where t is the time in years
and P is the original value of a house.
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You might also Google "depreciating function examples" on the web.
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Cheers,
Stan H.
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