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 9 . 1 2n - 1 } 10. { In( n ) n n 11. { 3+ (D)"} 12. ( 4+(-1)"} 13. n 14. { cos( not/2 )}