Suppose that a company has just purchased a new computer for ​$4000. The company chooses to depreciate using the​ straight-line method for 5 years.   ​(a) Write a linear function that expresses the book value V of the computer as a function of its age x. ​(b) What is the domain of the function found in part ​(a)​? ​(c) Graph the linear function.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Suppose that a company has just purchased a new computer for ​$4000. The company chooses to depreciate using the​ straight-line method for 5 years.
 
​(a) Write a linear function that expresses the book value V of the computer as a function of its age x.
​(b) What is the domain of the function found in part ​(a)​?
​(c) Graph the linear function.
​(d) What is the book value of the computer after 2 ​years?
​(e) When will the computer have a book value of $3200​?
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