Problem number 12

In problems 7 - 18, calculate the first 6 terms (starting with n = 1) of each sequence and graph these terms. 7. { 1- 2} 8. 13 + 2 n 9 . n { 20 - 1 } 10 . In ( n ) n 11. { 3 + (-1) 12. { 4 + (-1)"} 13. { (-1)"- n 14. cos( not/2 ) } 15. { n ! } 16 . n + n! 17. 18. { (1 +m ) "}