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1 February, 09:33

find the first 4 terms of the sequence defined by the explicit rule f (n) = 7 (n-1) - 10. Is it an arithmetic sequence?

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  1. 1 February, 13:27
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    This is an arithmetic sequence

    f (1) = 7 (0) - 10 = - 10

    f (2) = 7 (1) - 10 = - 3

    f (3) = 7 (2) - 10 = 4

    f (4) = 7 (3) - 10 = 11
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