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9) Suppose that a company has just purchased a new machine for its manufacturing facility for $150,000

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9) Suppose that a company has just purchased a new machine for its manufacturing facility for $150,000. The company chooses to depreciate the machine using the straight-line method over 15 years. (a) Write a linear model that expresses the book value V of the machine as a function of its age X. (b) What is the implied domain of the function found in part (a)? (c) What is the book value of the machine after 9 years? (d) When will the machine have a book value of $50,000?