Alg 2 ANSWERS 7-7 pg 404

Inverse Relations and Functions : 

Inverse Relations and Functions ALGEBRA 2 LESSON 7-7 6. y = x + ; yes 7. y = – x + ; yes 8. y = y = ± no 10. y = ± no 12. y = ± no 1 2 1 2 1 3 4 3 5 – x 2 x + 5 3 x + 4 2 7-7

Inverse Relations and Functions : 

Inverse Relations and Functions ALGEBRA 2 LESSON 7-7 14. 16. 18. 20. 22. 7-7

Inverse Relations and Functions : 

Inverse Relations and Functions ALGEBRA 2 LESSON 7-7 7-7 29. a. F = (C – 32); yes b. –3.89°F 30. a. r = ; yes b. 20.29 ft 31. 10 32. –10 33. 0.2 34. d 35. ƒ–1(x) = ± ; no 36. ƒ–1(x) = ± 2 ; no 37. ƒ–1(x) = ± ; yes 3V 4 3 x 3 38. ƒ–1(x) = ± x – 1; no 39. ƒ–1(x) = ; no 40. ƒ–1(x) = –1 ± x + 1; no 41. ƒ–1(x) = x; yes 42. ƒ–1(x) = ± x; no 43. ƒ–1(x) = ± ; no 44. x = ; 25 ft, 6.25 ft 45. The range of the inverse is the domain of ƒ, which is x 1. 46. 2 and 5