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precal2

# precal2 - Answers2.1(day 1 5(2 2(1 1(1 1(1 0(3 3(3 2 9 11...

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Answers 2.1 (day 1) 5. ( 2, 2), ( 1, 1), (1, 1), (1, 0), (3, 3), (3, 2); 9. 11. domain { 2, 1, 1, 3}, range { 2, 0, 1, 3} 7. ( 2, 0), ( 1, 2), (0, 3), (1, 2), (2, 0); domain { 2, 1, 0, 1, 2}, range {0, 2, 3} 12. not a function 13. function 14. function 15. function 16. function 17. not a function 18. function 19. function 20. not a function 21. function 24. 4.5, 6.5, 10, 13.5 25. -2, -4, -7.5, -11 29. - 23 6 , - 13 6 , 3 4 , 11 3 30. - 9 2 , - 7 2 , - 7 4 , 0 Answers 2.1 (day 2) 32. domain {2, 3, 4, 5} 33. domain {-4, -3, -2, -1} range {4, 5, 6, 7} range {1, 2, 3, 4} 36. domain {2, 4, 8}, range {4, 8, 16}; function 37. domain {-2, -1, 0, 9}, range {2, 5, 7}; not a function 38. domain (- , ) range [0, ); function 39. domain [-3.2, 3.2] range [-1, 1]; not a function 40. A 41. B 42. C 43. yes 44. no 45. No 46. V(s) = s 3 ; 2460.375 cm 3 47. V(r) = 3 4 πr 3 ; 1543.5 π cm 3 48. No 50. -3 51. 2 - 3 52. -4x 14 53. 7 54. 3 4 55. Yes 56. No 57. Yes 58. Yes 59. domain: all integers range: all even integers yes 60. domain: all integers range: all integers yes 61. domain: all integers range: all even integers no 1. function; D: (- , -2) U (-2, ) R: (- , 1) U (1, ) 2. not a function; D: [-4, 1]; R: [-1, 4) 3. function; D: (- , 0) U (0, ); R: [-1]U[1] 4. function; D: (- , ); R:

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precal2 - Answers2.1(day 1 5(2 2(1 1(1 1(1 0(3 3(3 2 9 11...

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