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OpenStudy (mackenzie2013):
The formula for any arithmetic sequence is a n = a 1 + d(n - 1), where a n represents the value of the nth term, a 1 represents the value of the first term, d represents the common difference, and n represents the term number. What is the formula for the sequence 10, 8, 6, 4, ...? an = 10 + (-2)(n - 1) an = 10 + 2(n - 1) an = -2 + 10(n - 1) an = 2 + 10(n - 1)
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