11. Not one-to-one
13. Not one-to-one
15. One-to-one
17. 2
19. −1
21. a
23. 337
25.
3
3
19
5
27.
2
1
269
35.
37.
39.
41.
43.
One-to-one
f−1(x)=5−13x
Domain f: (−∞, ∞) x-intercept: 5 y-intercept: 15 Domain f−1: (−∞, ∞) x-intercept: 15 y-intercept: 5
45. Not one-to-one
47.
One-to-one
f −1(x)=(x−3)2
Domain f: [0, ∞) No x-intercept y-intercept: 3 Domain f−1: [3, ∞) x-intercept: 3 No y-intercept
49.
One-to-one
g−1(x)=(x3−1)
Domain g: (−∞, ∞) x-intercept: −1 y-intercept: 1 Domain g−1: (−∞, ∞) x-intercept: 1 y-intercept: −1
51.
One-to-one
f −1(x)=x+1x
Domain f: (−∞, 1)∪(1, ∞) No x-intercept y-intercept: −1 Domain f−1: (−∞, 0)∪(0, ∞) x-intercept: −1 No y-intercept
53.
One-to-one
f−1(x)=x2−4x+3
Domain f: [−1, ∞). y-intercept: 3 No x-intercept Domain f−1: [2, ∞) x-intercept is 3. No y-intercept
55. Domain: (−∞,−2)∪(−2, ∞); range: (−∞, 1)∪(1, ∞)
57. f −1(x)=2x+1x−1 Domain: (−∞, 2)∪(2, ∞); range: (−∞, 1)∪(1, ∞)
59. f−1(x)=1−xx+2 Domain: (−∞,−1)∪(−1, ∞); range: (−∞,−2)∪(−2, ∞)
61. y=−x−−−√, x≤0
63. y=x, x≥0
65. y=−x−1−−−−−√, x≥1
67. y=−2−x−−−−−√, x≤2
..................Content has been hidden....................
You can't read the all page of ebook, please click
here login for view all page.