Mathematics, 30.04.2021 01:00 vandarughb5653

Tell whether each sequence is arithmetic. Justify your answer. If the sequence is arithmetic, write a recursive and an explicit formula to represent it.
13. -1,4,9, 14, ...
14. 9, 12, 15, 19,...

Please help!

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Tell whether each sequence is arithmetic. Justify your answer. If the sequence is arithmetic, writ...