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anonymous
 one year ago
A companys car has an original value of $85000 and will be depreciated linearly over 6 years with scrap value of 10,000.
A. Find the expression giving the book value of the car at the end of the year (0(equal to less than) t (equal to less than 6)
anonymous
 one year ago
A companys car has an original value of $85000 and will be depreciated linearly over 6 years with scrap value of 10,000. A. Find the expression giving the book value of the car at the end of the year (0(equal to less than) t (equal to less than 6)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is it different because the previous one has a scrap value of 0 and the new one has a scrap value of 10000? On the new one the professor wrote v=cr(t) but that confuses me because we didn't do that for the previous one

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1change in value = scrapValue  orginalValue change in value = 10,000  85,000 change in value = 75,000 change in time = (new year)  (old year) change in time = 60 change in time = 6 we have the item losing $75,000 over 6 years annual rate of depreciation = (change in value)/(Change in time) annual rate of depreciation = (75,000)/(6) annual rate of depreciation = 12,500 so the car is losing $12,500 a year

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1book value = (starting value) + (rate of change)*(number of years) book value = (85,000) + (12,500)*(t) book value = 85,00012,500*t book value = 12,500*t + 85,000

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1if I wanted to know the book value at the beginning, then I just plug t = 0 into the book value equation book value = 12,500*t + 85,000 book value = 12,500*0 + 85,000 ... replace t with 0 book value = 0+85,000 book value = 85,000 as we expect, the book value is $85,000 at the beginning of the car's lifespan

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1or...if I wanted to know the scrap value, plug in t = 6 since we're going to scrap it at the 6 year mark book value = 12,500*t + 85,000 book value = 12,500*6 + 85,000 ... replace t with 6 book value = 75,000+85,000 book value = 10,000 as we expect, the scrap value is $10,000 (the lowest we'll go in terms of keeping the vehicle) at the end of the car's lifespan

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1here's the graph https://www.desmos.com/calculator/l0wgunxhxn see the attached image
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