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.
Column A
Column B
1.
a
6, 12, 18, 24
b[n) = b[n – 1).
2, 14, 98, 686
3.
160, 80, 40, 20
b. a(n) = a(n - 1). 7
cc(n) = c(n − 1) + 6