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22 December, 17:32

What is the 30th term in a sequence given by the explicit function: A (n) = - 1 + (n-1) 2

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  1. 22 December, 18:50
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    It'll be A (30) = - 1 + (30-1) 2

    The common difference is 2

    The first term is - 1

    First subtract 30 from 1 you get 29

    29 times 2 = 58

    58 - 1 = 57

    The 30th term in this secuence is 57
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