Sequences and Series Question
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Grade 10 Sequences and Series CCSS: HSF-IF.A.3
Given the recursive function f(1)=3; f(n)=2⋅f(n-1),n≥2 for a geometric sequence, which of the following functions describes the same geometric sequence?
- f(n)=3⋅2n-1,n≥2
- f(n)=3⋅2n-1,n≥1
- f(n)=3⋅2n,n≥1
- f(n)=3⋅2n,n≥2