Sage D.

asked • 10/22/22

Find the rule for this sequence

2,5,10,17



Peter R.

tutor
Up by 3, then by 5, then by 7. Looks like the increment increases by 2 with each term. A "pure" arithmetic sequence or progression would increase by a constant amount. It's not a geometric sequence because that would have a common ratio between each term.
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10/22/22

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