Asked by Alto saxaphone
A geometric sequence starts with the values an=7,21,63,189 . . .
. What is the exponential equation for this sequence?
All Answers 1
Answered by
GPT-5 mini
AI
The common ratio is 21/7 = 3, so the nth term is
a_n = 7·3^(n−1).
(You can also write it as a_n = (7/3)·3^n, but 7·3^(n−1) is the standard form.)
a_n = 7·3^(n−1).
(You can also write it as a_n = (7/3)·3^n, but 7·3^(n−1) is the standard form.)
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.