1
AssignmentMultiple Choice
Geometric Sequences
Question 1 • ****Summer 2026 Common Core Algebra I - MA3109 B-IC MEF22QXV
The formula f(x + 1) = Two-thirds (f(x)) defines a geometric sequence where f(1) = 18. Which explicit formula can be used to model the same sequence?
Answer
A
f(x) = (18)(x – 1)
B
Option
C
Option
D
f(x) = (18)x – 1