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A sequence defined by f (1) = 3 and f (n) = 2 - f (n - 1) for n ≥ 2. Which of the following
statements defines the n' term of f?

A sequence defined by f 1 3 and f n 2 f n 1 for n 2 Which of the following statements defines the n term of f class=

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Medunno13

Answer:

None of these

Step-by-step explanation:

See attached image

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So

  • f(n)=2.f(n-1)

Like that

f(2)

  • 2.3=3×2¹

f(3)

  • 2.2.3=3×2²

As you can see

It's an geometric progression

  • first term=a=3
  • common ratio =r=2

So the formula is

  • f(n)=3.2^{n-1}

None of the above

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