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

All Answers 1

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).)