11. h
13. f
15. d
17. a
19. Domain =(−∞, ∞) Range =(0, ∞) Asymptote: y=0
21. Domain =(−∞, ∞) Range =(3, ∞) Asymptote: y=3
23. Domain =(−∞, ∞) Range =(0, 1] Asymptote: y=0
25. Domain =(−∞, 0) Range =(−∞, ∞) Asymptote: x=0
27. Domain =(1, ∞) Range =(−∞, ∞) Asymptote: x=1
29. Domain =(−∞, 0) Range =(−∞, ∞) Asymptote: x=0
31.
x-intercept =ln (2/3), y-intercept =1
limx→∞f(x)=3 limx→−∞f(x)=−∞
33.
x-intercept: none, y-intercept =1
as x →∞, y→0 as x →−∞, y→0
35. a=10, k=2, f (2)=160
37. a=3, k=−0.2824, f (4)=0.38898
39. y=3⋅2x
41. y=log5 (x−1)
43.
y=−2(x−1)−3
y=−2(x−1)+3
45. ln x+2 ln y+3 ln z
47. ln x+12 ln (x2+1)−2 ln (x2+3)
49. y=3x
51. y=−1+x−2−−−−−√
53. y=x2−1−−−−−√x2+1
55. 4
57. −1±5–√
59. ln 23ln 3≈2.854
61. ln 19ln 273≈0.525
63. 0
65. −ln 3ln ((1.7)39)≈1.815
67. 52
69. 0
71. 8
73. 5
75. 9
77. 3
79. x≥−1
81. (−72,933)