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anonymous
 one year ago
Write the recursive formula for 5, 8, 11, ...
an = an1 + 3
an = an1  3
an = 3an1
an = an1 + 1
i dont undderstand the a,n formula at all
anonymous
 one year ago
Write the recursive formula for 5, 8, 11, ... an = an1 + 3 an = an1  3 an = 3an1 an = an1 + 1 i dont undderstand the a,n formula at all

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In your sequence, \(a_1=5\) is the first term. In the fourth of the given answer choices, for example, you have \[\begin{align*}a_n=a_{n1}+1~~\implies~~a_2&=a_{21}+1\\&=a_1+1\\&=5+1\\&=6\end{align*}\] But in your sequence, the second term is \(a_2=8\neq6\), so it can't be this sequence. Given some term in the sequence, the recursive formula tells you what the next term will be. The value of the next term depends on the previous term.
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