1. For each sequence, determine whether it could be geometric or arithmetic. Next, match each sequence with one of the definitions. Note that only the
part of the definition showing the relationship between the current term
and the previous term is given so as not to give away the solutions.
a. 6, 12, 18, 24
A. a(n) = 7 • a(n − 1)
B. b(n) = 1/2• b(n – 1)
b. 2, 14, 98, 686
C. c(n) = c(n − 1) + 6
c. 160, 80, 40, 20