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Mathematics 10 Online
OpenStudy (anonymous):

Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence? f(1) = 6, f(4) = 12, f(7) = 18 f (n + 1) = f(n) + 6 f (n + 1) = 2f(n) f (n + 1) = f(n) + 2 f (n + 1) = 1.5f(n)

OpenStudy (anonymous):

12=6+(4-1)d 6=3d d=2 ?

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