§. Natural va butun sonlar

A) x– 2 B)(x² + 4)/(x – 2) C) –(x+2) D) x+2

49. ifodanisoddalashtiring.( xϵ(– 1; 1) )

A) x– 2B)(x² + 4)/(x – 2) C) –(x+2) D) x+2

50. ifodanisoddalashtiring. ( xϵ(1; 2) )

A) x– 2 B)(x² + 4)/(x – 2)C) –(x+2) D) x+2

51. ifodanisoddalashtiring. ( xϵ(2; ∞) )

A) x– 2 B)(x² + 4)/(x – 2) C) –(x+2) D) x+2

52. ifodanisoddalashtiring. ( xϵ(– ∞; – 1) )

A)x/(x – 1) B) x/(1 – x) C) – x/(x + 1) D) x/(x + 1)

53. ifodanisoddalashtiring. ( xϵ(– 1; 0) )

A) x/(x – 1) B) x/(1 – x) C) – x/(x + 1) D) x/(x + 1)

54. ifodanisoddalashtiring. ( xϵ[0; 1) )

A) x/(x – 1) B) x/(1 – x) C) – x/(x + 1) D) x/(x + 1)

55. ifodanisoddalashtiring. ( xϵ(1; ∞) )

A) x/(x – 1) B) x/(1 – x) C) – x/(x + 1)D) x/(x + 1)

56. ifodanisoddalashtiring. ( xϵ(– ∞; 2) )

A) x² – 4x–12 B) (x+2)² C) x² – 4x+12 D)x² + 4x+12

57. ifodanisoddalashtiring. ( xϵ(2; ∞) )

A) x² – 4x–12B) (x+2)² C) x² – 4x+12 D)x² + 4x+12

58. ifodanisoddalashtiring. ( xϵ(–∞; 0) )

A)– 1/x B) 1/x C)x D)–x

59. ifodanisoddalashtiring.( xϵ(0; 1) )

A) – 1/x B) 1/x C)x D)– x

60. ifodanisoddalashtiring.( xϵ(1; 2) )

A)– 1/x B) 1/x C)x D)– x

61. ifodanisoddalashtiring. ( xϵ(2; 3) )

A)– 1/xB) 1/x C)x D)– x

62. ifodanisoddalashtiring.( xϵ(3; ∞) )

A)– 1/xB) 1/x C)x D)– x

63. ifodanisoddalashtiring.( xϵ( – ∞; – 3) )

A) 1/(a + 1) B) 1/(a + 3) C) 1/(a – 1) D) 1/(a – 3)

64. ifodanisoddalashtiring. ( xϵ(– 3; – 1) )

A) 1/(a + 1) B) 1/(a + 3) C) 1/(a – 1) D) 1/(a – 3)

65. ifodanisoddalashtiring. ( xϵ(–1; 2) )

A) 1/(a + 1) B) 1/(a + 3) C) 1/(a – 1) D) 1/(a – 3)

66. ifodanisoddalashtiring.( xϵ(2; ∞) )

A) 1/(a + 1) B) 1/(a + 3) C) 1/(a – 1) D) 1/(a – 3)

67. ifodanisoddalashtiring. ( xϵ(– ∞; 0) )

A) B) C) D)

68. ifodanisoddalashtiring.( xϵ(0; 1) )

A) B) C) D)

69. ifodanisoddalashtiring. ( xϵ[ 1; ∞) )

A) B)C) D)

70. ifodanisoddalashtiring.( xϵ(– ∞; 0) )

A) B) C) D)

71. ifodanisoddalashtiring.( xϵ[ 0; 1/3) )

A) B) C) D)

72. ifodanisoddalashtiring.( xϵ(1/3; 1) )

A) B) C) D)

73. ifodanisoddalashtiring. ( xϵ(1; ∞) )

A) B)C) D)

74. ifodanisoddalashtiring.( xϵ( – ∞; – 3/2) )

A) B) C) D)

75. ifodanisoddalashtiring.( xϵ(– 3/2; 0) )

A) B) C) D)

76. ifodanisoddalashtiring.( xϵ(0; 3) )

A) B) C) D)

77. ifodanisoddalashtiring.( xϵ(3; ∞) )

A) B)C) D)

78. |−abc| = −abc, |a−b| = −b + a va |−b| = b bo’lsa, quyidagilardan qaysi biri har doim o’rinli.

A) b<0 B) 0 C) c<0 D) b
79. funksiyaning eng katta qiymatini toping
A) 9 B) 12 C) 15 D) 24

12.