829 Exercises 10-16, write the first four of each sequence whose general term is given. = 1. a. 3n+2 2. a,, = 4n - 1 10 3. an 4. An 5. An 6. An = 3n = = - 1 n 3 -3) n (- 1 n 3 7. an = (-1)" (n+3) 8. An = = (-1) n+1 (n+4) 2n 9. an = n+4 3n 10. an = 11 n+5 (1) n+1