Question

Which of the following recursive formulas represents the same geometric sequence as the formula an = 3 * 3n - 1?

A.an = 9 * an - 1
B.an = 3 * an - 1
C.an = 9 + an - 1
D.an = 3 + an - 1

Answer 1

A do the 3 X3 you get 9 b and d out do an -1