state whether each of the following sequence is arithmetic or geometric name the common difference for arithmetic and the common ratio for geometric sequence
a. 3,7,11,15,19,23...
b. 2,6,18,54,162...
C. 7,14,28,56,112...
D. 6,14,96,384...
E. 1,½,2,0,-½
1.which of the items are arithmetic sequence and geometric sequence?
2.what are the important characteristics that you should remember in identifying arithmetic or geometric sequence?​