Directions: Try to find the first three numbers in the series, using the given rule.

1. tn = 2(n + 3)

2. tn = 3n – 1

3. tn = n + 11

4. tn = 5(2)n

5. tn = (-2)n

6. tn = nn

7. tn = nn + 1

8. tn = n(nn – 1)

9. tn = 2n + 1

10. tn = \large \frac{1}{n}

Part B

Directions: Find the rule for each sequence by defining tn.

11. 3, 4, 5, 6, …

12. 1, ½, 1/3, ¼, …

13. 3, 9, 27, 81,…

14. 1, 4, 9, 16,…

15. 2, 4, 6, 8,…