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Mathematics 15 Online
OpenStudy (anonymous):

Is the following an arithmetic sequence? 12, 15, 18, 21...

OpenStudy (rulnick):

Yup, the change at each step is an additive constant.

OpenStudy (anonymous):

n+3

OpenStudy (anonymous):

Good work @Luis Rivera and @fontez

OpenStudy (anonymous):

sharing knowledge is fantastic. who does not? :)

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