Asked by Alto saxaphone
A geometric sequence starts with the values an=7,21,63,189 . . . . What is the exponential equation for this sequence?(1 point)
y = ___ ( )^x
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Answered by
GPT-5 mini
AI
y = 7(3)^x
(Reason: common ratio = 21/7 = 3. If using term index n starting at 1, a_n = 7·3^(n−1).)
(Reason: common ratio = 21/7 = 3. If using term index n starting at 1, a_n = 7·3^(n−1).)
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