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22-03-2019
Mathematics

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Which answer is the explicit rule for the sequence11,8.5,6,3.5,1

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22-03-2019

Answer: - 2.5n+13.5

Explanation:

[tex]11 - 8.5 = 2.5 \\ - 2.5n \times 1 = - 2.5 \\ it \: is \: negative \: as \: the \: sequence \: \\ decreases\\ 11 - - 2.5 = 13.5 \\ - 2.5n + 13.5[/tex]

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