The value of an automobile purchased in 2009 can be approximated by the function V (t) =

Chapter 3, Problem 42

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The value of an automobile purchased in 2009 can be approximated by the function V (t) = 25(0.85)t, where t is the time, in years, from the date of purchase, and V (t) is the value, in thousands of dollars. (a) Evaluate and interpret V (4), including units. (b) Find an expression for V (t), including units. (c) Evaluate and interpret V (4), including units. (d) Use V (t), V (t), and any other considerations you think are relevant to write a paragraph in support of or in opposition to the following statement: From a monetary point of view, it is best to keep this vehicle as long as possible.

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