Depreciation of a Photocopier A photocopier sold for $3000 in 2002. Its value in 2010 had depreciated to $600.
(a) If x = 0 represents 2002 and x = 8 represents 2010, express the value of the machine, y, as a linear function of the number of years, x, after 2002.
(b) Graph the function from part (a) in a window [0, 10] by [0, 4000]. How would you interpret the y-intercept in terms of this particular situation?
(c) Use your calculator to determine the value of the machine in 2006, and verify your result analytically.
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