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mdm12Section3_3_OddSolutionsFinal

# mdm12Section3_3_OddSolutionsFinal - Q1-3 Q7-9 Q5 Q11...

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Q1-3 Q5 Q7-9 Q11 CHAPTER 3 Section 3.3, pp. 191–194 Solutions to Odd Number Problems 1. a) iii) b) i) c) iv) d) ii) 3. a) b) 6.48 6.53 y x = c) 2.018 1.47 y x = d) The power regression fits the data somewhat more closely. There is not a large difference. e) i) 2.018 2 Area 1.47(2.7) 10.9 m = = ii) 2.018 30 1.47 4.5 m x x = = f) If the trees' outward growth is proportional to their upward growth, the areas will be proportional to the squares of the heights. Top

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5. a) b) ( ) 97.4 0.38 x y = c) Since r 2 = 0.999, this is a good model. d) When y = 50%, x = 0.68 h. Top
7. a) Using a power regression model, P = 2015 d –2 . b) i) ( ) 2 2 W 2015 1.0 2015 m µ = ii) ( ) 2 2 W 2015 4.0 126 m µ = iii) ( ) 2 2 W 2015 50.0 0.81 m µ = 9. a) Use year = 0 for 1995, year = 1 for 1996,..., year = 6 for 2001. y = 99.8(1.3) x b) The condition you are looking for occurs when 0.1(2) 0.1 99.8(1.3)

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