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sesenic [268]
3 years ago
14

What is the equation of the exponential function??

Mathematics
1 answer:
Alex787 [66]3 years ago
8 0

Answer:

  • $19500

Step-by-step explanation:

<u>Let the depreciation rate is x per year, then we have:</u>

  • 28000*x² = 22000
  • x² = 22000/28000
  • x² = 0.7857
  • x = √0.7857
  • x = 0.8864

<u>Exponential function for this case is:</u>

  • V(t) = 28000*0.8864^t, where V(t) - future value, t- number of years

<u>Value of the car after 3 years:</u>

  • V(3) = 28000*0.8864^3
  • V(3) = 19500
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Answer:

m∠RQS = 72°

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Step-by-step explanation:

m∠RQS +m ∠TQS = m∠RQT

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So

m∠RQS = (4x - 20)

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Group the Xs and the constants

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Combine like terms

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