MHR • Advanced Functions 12 Solutions 660

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Check a) ii): 5.4 × 10 –16 < 1.8 × 10 –16 c) Answers may vary. A sample solution is shown. 8 x > 2 x + 1 x > 1 2 MHR • Advanced Functions 12 Solutions 673
Chapter 7 Section 1 Question 16 Page 369 a) i) 2 x > x 3 for 0 < x < 1.37; 2 x < x 3 for x > 1.37 (correct to 2 decimal places) ii) 2 x > x 3 for x > 9.94 (correct to 2 decimal places) 1.1 x > x 10 for –0.99 < x < 1.01 (correct to 2 decimal places) MHR • Advanced Functions 12 Solutions 674
Page 1 and 2: Chapter 7 Tools and Strategies for
Page 3 and 4: c) x 2 + x !1 = 0 x = !1± 12 ! 4(1
Page 5 and 6: Chapter 7 Prerequisite Skills Quest
Page 7 and 8: Chapter 7 Section 1 Question 4 Page
Page 9 and 10: ) c) d) Chapter 7 Section 1 Questio
Page 11 and 12: Chapter 7 Section 1 Question 10 Pag
Page 13: Chapter 7 Section 1 Question 15 Pag
Page 17 and 18: Chapter 7 Section 2 Techniques for
Page 19 and 20: c) Answers may vary. A sample solut
Page 25 and 26: f) 4 x ! 3!18(4 ! x ) = 0 (4 x ) 2
Page 27 and 28: d) e) There is no zero so there is
Page 37 and 38: d) 2log w + 3log w + 1 2 log ! 1 $
Page 43 and 44: ) Let x = log b m and y = log b n b
Page 47 and 48: Chapter 7 Section 4 Techniques for
Page 51 and 52: Check: d) 1 = log( y + 9) ! log y "
Page 53 and 54: ! f) log p + 5 $ " # p +1% & = 3 p
Page 65 and 66:
) i) y &= 4.21x - 3.07 ii) y &= 0.8
Page 67 and 68:
Chapter 7 Section 5 Question 8 Page
Page 69 and 70:
Chapter 7 Section 5 Question 12 Pag
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Chapter 7 Review Chapter 7 Review Q
Page 77 and 78:
! b) 0.05 = 1 $ " # 2% & t 5 log0.0
Page 79 and 80:
Chapter 7 Review Question 7 Page 40
Page 81 and 82:
Chapter 7 Review Question 13 Page 4
Page 83 and 84:
d) i) A = 500(1.033) 2t + 500(0.01)
Page 85 and 86:
Chapter 7 Practice Test Question 6
Page 87 and 88:
d) Chapter 7 Practice Test Question
Page 89 and 90:
Chapter 7 Practice Test Question 10
Page 91:
e) i) y &= 95.67(0.96) 15 y &= 49.6
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MHR • Advanced Functions 12 Solutions 660

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