The value of Tonya’s car is $21,000. The car’s value depreciates at a rate of 15% per year. Which function represents the value

Question

The value of Tonya’s car is $21,000. The car’s value depreciates at a rate of 15% per year.

Which function represents the value of the car after t years?

f(t)=0.85(21,000)t
f(t)=1.15(21,000)t
f(t)=21,000(0.85)t
f(t)=21,000(1.15)t

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Acacia 2 months 2021-07-24T14:08:19+00:00 1 Answers 1 views 0

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    2021-07-24T14:10:01+00:00

    9514 1404 393

    Answer:

      (c)  f(t)=21,000(0.85)^t

    Step-by-step explanation:

    Each year, the value is multiplied by 1-15% = 85% = 0.85. This is correctly shown in the function …

      f(t)=21,000(0.85)^t

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