Below are five number sequences. 3, 4, 6, 10, 18, ...
1
25 5 24
425
1,
25
**
2 48 16 32
5' 5' 9'12'15
3, 15, 75, 375, 1875, ...
5, -11, -27, -43, -59, ...
Decide whether each sequence is an arithmetic sequence (A), a geometric
sequence (G), or neither (N). Which of the following strings of letters correctly
describes the types of the five sequences above (in order of top to bottom)?