Suppose that a company has just purchased a new computer for $3000. the company chooses to depreciate using the straight-line method for 5 years.

(a) write a linear function that expresses the book value of the computer as a function of its age.
(type your answer in slope-intercept form.)

(b) what is the implied domain of the function found in part (a)?
(type your answer in interval notation.)

(c) use the graphing tool to graph the linear equation.

(d) what is the book value of the computer after 2 years?

(e) when will the computer be worth $600?