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25 August, 06:39

1. Use the sequence to answer the questions. 2.5, 6, 9.5, 13, 16.5, 20, ... (a) What is the common difference? (b) What is the recursive rule for the sequence?

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  1. 25 August, 08:12
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    Common difference = 6 - 2.5 = 3.5

    (B) recursive formula can be written as

    U (n+1) = U (n) + 3.5n

    where value of n is 0 to infinity
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