Mathematics, 17.11.2020 05:50, jasminelockhart432

What is the explicit formula for the arithmetic sequence -7.5, -9, -10.5, -12, .?

What is the explicit formula for the arithmetic sequence -7.5, -9, -10.5, -12, ....?

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What is the explicit formula for the arithmetic sequence -7.5, -9, -10.5, -12, .?
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