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6 December, 08:11

The value of a boat, in dollars, x years after its purchase is represented by the function.

f (x) = 10,000 (0.73) x

What is the average decrease in value per year between years 1 and 2?

Enter your answer in the box. Round to the nearest whole number.

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Answers (1)
  1. 6 December, 08:20
    0
    The average decrease in value can be solve by first solving the value at year 1 and year 2

    and i think the equation is f (x) = 10,000 (0.73) ^x

    at x = 1

    f (x) = 10,000 (0.73) ^x

    f (1) = 10,000 (0.73) ^ (1)

    f (1) = 7300

    at x = 2

    f (x) = 10,000 (0.73) ^x

    f (2) = 10,000 (0.73) ^ (2)

    f (2) = 5329

    so the average decrease = (7300 - 5329) = $ 1971 per year
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