Given the Arithmetic Sequence 9,12,15,18,21,...find the formula
1. A(n)=3+(n-1)9
2. A(n)=9+(n...
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Mathematics, 22.12.2020 17:40 emma1581
Given the Arithmetic Sequence 9,12,15,18,21,...find the formula
1. A(n)=3+(n-1)9
2. A(n)=9+(n-1)3
3. A(n)=21+(n-1)9
4. A(n)=9+(n-1)21
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