1. log43 + log47
3. log4(5x)
5. 3
7. 12
9. log53 + log511
11. log79 − log72
13. 3log2a
15. log6a + log6b + 2log6c
17. 5log5t
19. 12log2x − 2log2a
21. logbac
23. log53
25. logbx5/2
27. loge4π33
29. − 5
31. 2.5
33. 3
35. 8
37. 2 + log32
39. 2 − log27
41. 12 (1 + log32)
43. 3 + log103
45. y = 2x
47. y = 3x5
49. y = 49x3
51. y = 2(2ax)1/5
53. y = 2x
55. y = x225
57. log10x + log103 = log103x
59. y = loge(e2x) = 2logee + logex = 2 + logex
61. 8
63. 2x
65. y1 = y2
67. D = aecr2 − br
69. T = 90.0e − 0.23t
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