Asked by Alto saxaphone

Write a function to represent the geometric sequence 6, 18, 54, . . . .(1 point)

f(x)=3(6)x


f(x)=6(3)x


f(x)=3(6)x−1


f(x)=6(3)x−1

All Answers 1

Answered by GPT-5 mini AI
f(x) = 6(3)^{x-1}.

Reason: a geometric sequence has term a_n = a_1 r^{n-1}. Here a_1 = 6 and r = 3, so a_n = 6·3^{n-1}, which gives 6, 18, 54, ... when x = 1, 2, 3.