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16 November, 10:47

If f (1) = 7and f (n) = f (n-1) - 4 then find the value of f (4)

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  1. 16 November, 14:27
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    f (4) = - 5

    Step-by-step explanation:

    Using the recursive formula and f (1) = 7, then

    f (2) = f (1) - 4 = 7 - 4 = 3

    f (3) = f (2) - 4 = 3 - 4 = - 1

    f (4) = f (3) - 4 = - 1 - 4 = - 5
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