Work these exercise. (See Example.)
A machine is now worth $120,000 and will be depreciated linearly over an 8-year period, at which time it will be worth $25,000 as scrap.
(a) Find the rule of the depreciation function f.
(b) What is the domain of f?
(c) What will the machine be worth in 6 years?
Example
According to the Kelley Blue Book, a Ford Mustang two-door convertible that is worth $14,776 today will be worth $10,600 in two years (if it is in excellent condition with average mileage).
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