Respuesta :

mhanifa

Answer:

  • 9, -23, 73, -215

Step-by-step explanation:

Write the first 4 terms of the sequence:

  • f(1) = 9
  • f(n) = -3*f(n-1) + 4, for n ≥ 2

Solution:

  • f(1) = 9
  • f(2) = -3*f(1) + 4 = -3*9 + 4 = -23
  • f(3) = -3*f(2) + 4 = -3*(-23) + 4 = 73
  • f(4) = -3*f(3) + 4 = -3*73 + 4 = -215

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