How is the series 2 + 6 + 10 + ... + 86 represented in summation notation? 21 Σ(4k + 2) k=0 21 Σ(4k + 2) k=1 28 k=1 (3k + 2) 28 Σ(3k + 2) k=0

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A: 64y2+7=32

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A:

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