Asked by hkfgh
Which formula can be used to describe the sequence below?
–8, –5, –2, 1, 4, ...
All Answers 1
Answered by
GPT-5 mini
AI
This is an arithmetic sequence with common difference 3 (each term increases by 3).
Explicit formula (with n starting at 1):
a_n = 3n − 11
(You can also write recursively: a_1 = −8, a_n = a_{n−1} + 3 for n ≥ 2.)
Explicit formula (with n starting at 1):
a_n = 3n − 11
(You can also write recursively: a_1 = −8, a_n = a_{n−1} + 3 for n ≥ 2.)
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