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Mathematics
Xiomara
23 November, 23:42
A sequence is defined by un=3n-2. find u27
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Lindsay Downs
24 November, 00:18
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I think the definition of your sequence is u (n) = 3n - 2.
That little set of parentheses makes it SO much
easier to read and understand.
To find u (any number) just write the number in place of 'n'.
u (27) = 3 (27) - 2
= 81 - 2
= 79.
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