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Mathematics, 06.10.2020 23:01 mrsroberts210

Write an explicit formula for the sequence. Use the formula to find the eighth term in the sequence. arithmetic: A(1) = 9, d = βˆ’3

1: A(n)=9+(nβˆ’1)(βˆ’3);βˆ’12

2: A(n)=9n+3n; 25

3 A(n)=9nβˆ’3;69

4: A(n)=9βˆ’3n; βˆ’15

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