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29 August, 21:54

F (5) = 12 for a geometric sequence that is defined recursively by the formula f (n) = 0.3*f (n-1), where n is an integer and n>0. Find f (7). Round your answer to the nearest hundredth.

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  1. 29 August, 21:58
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    Subsitute 7 for n

    f (7) = 0.3*f (7-1)

    f (7-1) = f (6)

    find f (6)

    f (6) = 0.3*f (6-1)

    f (6-1) = f (5) = 12

    sub

    f (7) = 0.3 * (0.3*12)

    f (7) = 1.08
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