averyh105 averyh105

05-02-2020
Mathematics

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If f(1) = 7 and f(n) = f(n − 1) – 4 then find the value of f(6).

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kenlingdad kenlingdad

05-02-2020

Answer:

- 13

Step-by-step explanation:

f(1) = 7

f(n) = f(n − 1) – 4

f(₂) = f(1) – 4 = 7 - 4 = 3

f(₃) = f(₂) – 4 = 3 - 4 = -1

f(₄) = f(3) – 4 = (-1) - 4 = - 5

f(₅) = f(₄) – 4 = (- 5) - 4 = - 9

f(₆) = f(₅) – 4 = (- 9) - 4 = - 13

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