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OpenStudy (anonymous):
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OpenStudy (anonymous):
The recursive formula for an arithmetic sequence is an = an-1 + d. If the common difference is -15 and a6 = 7, what is the value of a7? A. 22 B. -22 C. 8 D. -8
OpenStudy (retireed):
a(1) = a(0) - 15 a(2) = a(1) - 15 a(3) = a(2) - 15 a(4) = a(3) - 15 a(5) = a(4) - 15 a(6) = a(5) - 15 a(7) = a(6) - 15 if a(6) = 7 then a(7) = ______ ?? Is this the question? a(8) = a(7) - 15
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