F-IF.3

Recognize that sequences are functions whose domain is a subset of the integers.

Example Problems
For the arithmetic sequence:


What is ?
For the arithmetic sequence:


What is ?
For the arithmetic sequence:


What is ?
Khan Academy Resources
Intro to arithmetic sequencesIntro to arithmetic sequence formulasArithmetic sequences reviewExplicit formulas for arithmetic sequencesGeometric sequences reviewConverting recursive & explicit forms of arithmetic sequencesRecursive formulas for arithmetic sequencesUse arithmetic sequence formulasExtend geometric sequencesUse geometric sequence formulasExtend arithmetic sequencesDomain and range from graphRecursive formulas for arithmetic sequencesConverting recursive & explicit forms of arithmetic sequencesRecursive formulas for geometric sequencesEvaluate sequences in recursive formExplicit formulas for geometric sequencesIdentifying values in the domainFunction domain word problemsConverting recursive & explicit forms of geometric sequencesExtend geometric sequences: negatives & fractionsSequences word problemsExplicit formulas for arithmetic sequencesDetermine the domain of functionsIntro to arithmetic sequencesSequences introIntro to geometric sequencesArithmetic sequence problemExamples finding the domain of functionsSequences and domainExplicit & recursive formulas for geometric sequencesUsing recursive formulas of geometric sequencesWorked example: using recursive formula for arithmetic sequenceWorked example: domain and range from graphConverting recursive & explicit forms of arithmetic sequencesWorked example: determining domain word problem (real numbers)Extending geometric sequencesUsing arithmetic sequences formulasUsing explicit formulas of geometric sequencesSequences word problemsDetermining whether values are in domain of functionWorked example: determining domain word problem (positive integers)Converting recursive & explicit forms of geometric sequencesWhat is the domain of a function?Worked example: determining domain word problem (all integers)Extending arithmetic sequencesExplicit formulas for arithmetic sequencesRecursive formulas for arithmetic sequences
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