Solutions to selected exercises

Modern Cosmology Pub Date : 2020-04-07 DOI:10.7551/mitpress/1405.003.0011

P. D. Magnus, Tim Button, Robert Loftis, Robert Trueman

引用次数: 0

Abstract

Section 1.1 1. a. ( ) 40 13 f = b. 2 Tons of garbage per week is produced by a city with a population of 5,000. 3. a. In 1995 there are 30 ducks in the lake b. In 2000 there are 40 ducks in the late 5. a ,b, d, e 7. a, b 9. a, b, d 11. b 13. b, c, e, f 15. ( ) ( ) 1 1, 3 1 f f = = 17. ( ) ( ) 2 4, 3 2 g g = − = 19. ( ) ( ) 3 53, 2 1 f f = = ( ) 2 f − ( ) 1 f − ( ) 0 f ( ) 1 f ( ) 2 f 21. 8 6 4 2 0 23. 49 18 3 4 21 25. 4 -1 0 1 -4 27. 4 4.414 4.732 5 5.236 29. -4 -6 -6 -4 0 31. 5 DNE -3 -1 -1/3 33. 1/4 1/2 1 2 4

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精选习题解答

第 1.1 节 1、a. ( ) 40 13 f = b. 2、一个人口为 5000 人的城市，每周产生的垃圾为多少吨？a. 1995 年湖里有 30 只鸭子 b. 2000 年湖里有 40 只鸭子 5. a ,b, d, e 7. a, b 9. a, b, d 11. b 13. b, c, e, f 15.( ) ( ) 1 1, 3 1 f f = = 17. ( ) ( ) 2 4, 3 2 g g = - = 19. ( ) ( ) 3 53, 2 1 f f = = ( ) 2 f - ( ) 1 f - ( ) 0 f ( ) 1 f ( ) 2 f 21. 8 6 4 2 0 23.49 18 3 4 21 25.4 -1 0 1 -4 27.4 4.414 4.732 5 5.236 29.-4 -6 -6 -4 0 31.5 DNE -3 -1 -1/3 33.1/4 1/2 1 2 4

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Modern Cosmology

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