SOLUTION: A car is purchased for $22,500. The value of the car decreases by $3,200 per year for the first seven years. Write a function V that describes the value of the car after t years,

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Question 22900: A car is purchased for $22,500. The value of the car decreases by $3,200 per year for the first seven years. Write a function V that describes the value of the car after t years, where . Then find and interpretV(3)
Answer by eclecticist(12) About Me  (Show Source):
You can put this solution on YOUR website!
V(t) = -3200t + 22500
-3200 is the slope, as that is how much the value is decreased by every year.
22500 is set as the y-intercept, because when t = 0, which means no time has elapsed yet, the value of the car is 22500.
V(3) = -3200(3) + 22500
= 12900