Your car's resale value depreciates according to the following table. x is years since purchase and y is the resale value. x y 0 42,000 1 35,280 2 29,635 3 24,894 4 20,911 5 17,565 a) write an equation to model this situation b) what is the decay rate? (how much does the price of the car depreciate each year?) c) In what year will the car be worth 20% of itws initial value? Show your solution mathematically and on a graph

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