Domain of a relation

List the x-values (domain) or the y-values (range) from least to greatest. List a repeated value only once.

1. A relation has these ordered pairs: (−4, −6), (−7, −7), (−2, −4), (−6, 3), (−3, −5). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
2. A relation has these ordered pairs: (4, 4), (−6, −5), (−7, 3), (7, −6), (−5, 6). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
3. A relation has these ordered pairs: (3, 6), (3, −7), (4, 0), (−1, 8), (−2, 0). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
4. A relation has these ordered pairs: (4, −5), (4, 7), (8, 1), (4, −2), (8, −1). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
5. A relation has these ordered pairs: (8, 5), (3, 8), (−5, −7), (−1, −4), (−3, −7), (−3, −8). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
6. A relation has these ordered pairs: (−6, 6), (−6, 9), (−6, 3), (9, 1), (7, 7), (1, 5). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
7. A relation has these ordered pairs: (−4, −10), (−4, 2), (10, −2), (9, −7), (−7, −1), (−6, −5). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
8. A relation has these ordered pairs: (7, −8), (3, −1), (7, 4), (0, −9), (−6, −3), (8, 2). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
9. A relation has these ordered pairs: (3, 3), (−6, 0), (1, −12), (5, −4), (−8, 10), (5, −3), (−8, 8). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
10. A relation has these ordered pairs: (−4, 8), (−4, −11), (1, 5), (−1, −10), (0, −5), (−2, 8), (3, 4). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
11. A relation has these ordered pairs: (−9, 2), (−3, −4), (−11, 2), (−5, −11), (−12, −9), (−3, −12), (2, −6). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
12. A relation has these ordered pairs: (3, 4), (−8, 9), (−7, 4), (6, −5), (−7, −3), (6, −12), (10, −11). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
13. A relation has these ordered pairs: (5, −9), (−13, −11), (10, 2), (4, 15), (2, 14), (9, 7), (−3, 10), (8, 0). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
14. A relation has these ordered pairs: (11, −1), (−14, −8), (12, 2), (4, −1), (−15, −11), (−15, 13), (0, −7), (0, 1). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
15. A relation has these ordered pairs: (1, 15), (1, −13), (−13, 11), (−12, −8), (7, −7), (−1, −10), (11, −8), (14, 2). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
16. A relation has these ordered pairs: (−8, 3), (−3, −5), (−15, 15), (14, −11), (−14, −2), (−4, 7), (−6, −15), (−15, −2). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
17. A relation has these ordered pairs: (15, 16), (15, 2), (−20, −7), (−1, 2), (−5, −3), (5, 13), (−15, 18), (9, −6), (−10, 0). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
18. A relation has these ordered pairs: (17, 17), (−11, 9), (7, 19), (17, −4), (8, 15), (−14, −10), (−20, 6), (−3, −20), (−9, −16). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
19. A relation has these ordered pairs: (−20, −10), (−4, −7), (10, −11), (−11, −16), (−20, −5), (−8, 14), (−11, −12), (3, 3), (−6, −3). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.
20. A relation has these ordered pairs: (16, −19), (4, 9), (14, −16), (−4, 3), (−15, 8), (15, −8), (1, 14), (−18, 6), (5, 14). List the domain (the x-values) from least to greatest, without repeats, like -2, 0, 5.