Question 5

Find the nth term formulae of the following sequences:

(a) \( 5, 7, 9, 11, 13, 15\) (b) \( 1, 9, 17, 25, 33, 41\) (c) \( -11, -14, -17, -20, -23, -26\)
(d) \( 1, 5, 9, 13, 17, 21\) (e) \( 12, 17, 22, 27, 32, 37\) (f) \( 36, 27, 18, 9, 0, -9\)
(g) \( -5, 1, 7, 13, 19, 25\) (h) \( -4, -1, 2, 5, 8, 11\) (i) \( 10, 17, 24, 31, 38, 45\)
(j) \( 13, 7, 1, -5, -11, -17\) (k) \( -2, 2, 6, 10, 14, 18\) (l) \( -19, -1, 17, 35, 53, 71\)