Asked by a

A geometric sequence starts with the values a_n=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
The sequence has ratio 3, so for term number n:
y = 7·3^{\,n-1}.

(If you index from x = 0, use y = 7·3^{\,x}.)