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Which answer describes the type of sequence?

3, 9, 15, 21, ...3, 9, 15, 21, ...

geometric

neither arithmetic nor geometric

arithmetic

1 Answer

4 votes
The best and most correct answer among the choices provided by the question is the last choice "arithmetic"


In mathematics, an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. For instance, the sequence 5, 7, 9, 11, 13, 15 … is an arithmetic progression with common difference of 2.

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User Carlos Calla
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