F-IF.3

Recognize that sequences are functions, sometimes defined recursively, whose domain is a subset of the integers. For example, the Fibonacci sequence is defined recursively by f(0) = f(1) = 1, f(n+1) = f(n) + f(n-1) for n ≥ 1.

Khan Academy Resources

Intro to arithmetic sequencesIntro to arithmetic sequence formulasGeometric sequences reviewUse arithmetic sequence formulasExtend geometric sequencesUse geometric sequence formulasExtend arithmetic sequencesRecursive formulas for geometric sequencesExtend geometric sequences: negatives & fractionsIntro to arithmetic sequencesIntro to geometric sequencesArithmetic sequence problemSequences and domainUsing recursive formulas of geometric sequencesWorked example: using recursive formula for arithmetic sequenceExtending geometric sequencesUsing arithmetic sequences formulasUsing explicit formulas of geometric sequencesExtending arithmetic sequences

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