## 4.8 Answer Key (partial)

1. a_3=11

2. a_4=81

3. a_1=-4

4. a_2 = 2/3

5. a_3 = 3/2

6. a_4 = 240

7.

8. 10

9.

10. n^2 + 3n +2

11. a_n = 2n+3 or a_1 =5 a_n = a_(n-1) +2

12. a_n = 5 (2^(n-1)) or a_1 = 5 a_n = 2 (a_(n-1))

Last modified: Tuesday, 29 November 2016, 10:43 AM