11. h

13. f

15. d

17. a

19. $\text{Domain }=(-\infty ,\infty )\text{Range }=(0,\infty )$ Asymptote: $y=0$

21. $\text{Domain }=(-\infty ,\infty )\text{Range }=(3,\infty )$ Asymptote: $y=3$

23. $\text{Domain }=(-\infty ,\infty )\text{Range }=(0,1]$ Asymptote: $y=0$

25. $\text{Domain }=(-\infty ,0)\text{Range }=(-\infty ,\infty )$ Asymptote: $x=0$

27. $\text{Domain }=(1,\infty )\text{Range }=(-\infty ,\infty )$ Asymptote: $x=1$

29. $\text{Domain }=(-\infty ,0)\text{Range }=(-\infty ,\infty )$ Asymptote: $x=0$

31.

1. $x\text{-intercept }=\ln (2/3),y\text{-intercept }=1$

2. $\underset{x\to \infty }{\lim }f(x)=3\underset{x\to -\infty }{\lim }f(x)=-\infty$

   

33.

1. x-intercept: none, $y\text{-intercept }=1$

2. as $x\to \infty ,y\to 0$ as $x\to -\infty ,y\to 0$

   

35. $a=10,k=2,f(2)=160$

37. $a=3,k=-0.2824,f(4)=0.38898$

39. $y=3\cdot 2^x$

41. $y={\log }_5(x-1)$

43.

1. $y=-2^{(x-1)}-3$

2. $y=-2^{(x-1)}+3$

45. $\text{ln }x+2\text{ ln }y+3\text{ ln }z$

47. $\text{ln }x+{\displaystyle \frac{1}{2}}\text{ ln }(x^2+1)-2\text{ ln }(x^2+3)$

49. $y=3x$

51. $y=-1+\sqrt{x-2}$

53. $y={\displaystyle \frac{\sqrt{x^2-1}}{x^2+1}}$

55. 4

57. $-1\pm \sqrt{5}$

59. ${\displaystyle \frac{\text{ln }23}{\text{ln }3}}\approx 2.854$

61. ${\displaystyle \frac{\text{ln }19}{\text{ln }273}}\approx 0.525$

63. 0

65. ${\displaystyle \frac{-\text{ln }3}{\text{ln }\left({\displaystyle \frac{{(1.7)}^3}{9}}\right)}}\approx 1.815$

67. ${\displaystyle \frac{5}{2}}$

69. 0

71. 8

73. 5

75. 9

77. 3

79. $x\ge -1$

81. $\left(-{\displaystyle \frac{7}{2}},{\displaystyle \frac{93}{3}}\right)$