Answers to Odd Problems “The Basic Language of Functions”

1, 3, 5 are not functions. 7. f(–1) = 4 9. h(–1) = 2 11. –g(3) is UDF 13. 3g(6) = 3*4 =12 15. h(3) + h(0) = 1 + 1 = 2. 17. –f(4) + f(–4) = 5+ 19 = 23 19. Domain = {x ≠ 3} 21. Domain = {x ≠ 3/2} 25.Domain = {x ≠ 2, –6} 25. Domain = {x < –3} U {3 < x} 27. 3 29. –2/3 31. UDF 33. 9. 35. 1/6 37. –20 39. 2 41. – 4 ¾ 43. 4 45 0 47. 3 49. UDF 51. –2 53. –10 55. –3/4 57. –1/9 59. –9 61. 1 63. 18 65. –2/3 67. 18