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Mathematics, 19.02.2021 01:00 jnthnsngh

What is the formula for the following arithmetic sequence? -9, -2, 5, 12, ...

an = -9 + 7( n - 1)
an = -9 + (-7)( n - 1)
an = 7 + (-9)( n - 1)
an = 9 + (-7)( n - 1)

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What is the formula for the following arithmetic sequence? -9, -2, 5, 12, ...

an = -9 +...

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