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OpenStudy (anonymous):
Which formula does NOT describe the sequence 8, 6, 3, –1, –6, … ? B. an = –0.5n2 – 0.5n + 9 C. an = an – 1 – n where a1 = 8 D. None of the formulas describe the sequence.
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OpenStudy (cwrw238):
shouldn't C be an = a1 - 1 - n ?
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