Sequences and Series Question
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Grade 9 Sequences and Series CCSS: HSF-BF.A.2
Given the explicit form of the arithmetic sequence an=-2+7n, which of the following is the recursive formula for the same sequence?
- a1=5; an=an-1+7, n>1
- a1=5; an=an-1-2, n>1
- a1=-2; an=an-1+7, n>1
- a1=-2; an=an-1-2,n>1