A. Write the first four terms of the sequence, given the nth term formula
1. an=2n+3
2. an=n2-1

B. Supply the missing term for each sequence
1. 57,__,37,__17
2. __,__,0,12,24,36
3. -4,8,__16,-20

C. Find the general rule or nth term for each sequence
1. 7, 12, 17, 22,...
2. 2, 6, 12, 20,...

D. Determine whether each sequence is arithmetic or not. Find the common difference for each arithmetic sequence

1. 4, 8, 12, 16,..
2. 13, 10, 7, 4,...
3. -10, -8, -6, -4,..
4. 1, 6, 8, 11, 12,..
5. 5,6,12,13