ednah18 ednah18

27-04-2019
Mathematics

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f(n + 1) = f(n) – 3. If f(4) = 22, what is f(1)?

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Аноним Аноним

27-04-2019

Answer:

f(1) = 31.

Step-by-step explanation:

f(n + 1) = f(n) - 3

So f(4) = f(3) - 3

22 = f(3) - 3

f(3) = 22 + 3 = 25

so f(2) = 25 + 3 = 28

and f(1) = 28 + 3 = 31.

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