304 EXEMPLAR PROBLEMS MATHEMATICS 39 C 41 B 45 1 43 C 46 n B 47 AB 48 9 1 2 1 2 49 0 1 2 3 4 5 6 8 50 6 1 5 9 10 ii 1 2 3 5 6 7 9 10 31 AUB 53 True 57 True 38 C 42 B 2 3 2 3 EXERCISE 1 1 1 1 3 2 1 2 3 3 1 3 3 1 1 1 2 1 3 3 1 3 2 3 3 52 1 b ii c ii a iv f v d vi e 55 False 54 False 56 True 58 False 1 1 1 3 3 1 3 3 iv 1 1 1 2 1 3 2 1 2 2 2 3 3 1 i 40 A 44 1 2 0 1 0 2 1 1 1 2 2 1 2 2 i 0 3 1 3 ii 0 2 0 3 0 4 0 5 1 2 1 3 1 4 1 5 11 and h i a 0 and b 2 3 4 5 b 1 4 2 3 3 2 4 1 1 1 1 2 1 3 2 1 2 2 3 1 i 4 5 5 4 5 5 6 Domain of R 0 3 4 5 Range of R 7 Domain of R 1 5 51 and Range of R 1 3 17 8 R 0 8 8 0 0 8 8 0 9 Domain of RR and range of R R U 0 b 10 1 is not a function ii f is a function g is a function iv is a function v is a constant function 11 a 6 1364 4 12 a x 4 b x 4 13 8 x x 2x 2 3 2 3 3 c 13 d 4 e 5 ii f g x 2x alished