Question

Decide whether each relation defines a function, and give the domain and range. See Examples 1-4. 19. {(1, 1), (1, -1), (0, 0), (2, 4), (2, -4)} 20. {(2, 5), (3, 7), (3, 9), (5, 11)} 21. 2 -> 1 5 -> 1 11 -> 7 17 -> 20 3 -> 20 22. 1 -> 10 2 -> 15 3 -> 19 5 -> 27 23. x | y 0 | 0 -1 | 1 -2 | 2 24. x | y 0 | 0 1 | -1 2 | -2 26. Attendance at NCAA Women's

          Decide whether each relation defines a function, and give the domain and range. See Examples 1-4.
19. {(1, 1), (1, -1), (0, 0), (2, 4), (2, -4)}
20. {(2, 5), (3, 7), (3, 9), (5, 11)}
21. 
2 -> 1
5 -> 1
11 -> 7
17 -> 20
3 -> 20
22.
1 -> 10
2 -> 15
3 -> 19
5 -> 27
23.
x | y
0 | 0
-1 | 1
-2 | 2
24.
x | y
0 | 0
1 | -1
2 | -2
26. Attendance at NCAA Women's

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Decide whether each relation defines a function, and give the domain and range. See Examples 1-4.
19. (1, 1), (1, -1), (0, 0), (2, 4), (2, -4)
20. (2, 5), (3, 7), (3, 9), (5, 11)
21.
2 -> 1
5 -> 1
11 -> 7
17 -> 20
3 -> 20
22.
1 -> 10
2 -> 15
3 -> 19
5 -> 27
23.
x | y
0 | 0
-1 | 1
-2 | 2
24.
x | y
0 | 0
1 | -1
2 | -2
26. Attendance at NCAA Women's

Added by Dale V.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Allison Knapp

09/02/2023

Step 1

A relation defines a function if each input (x-value) has exactly one output (y-value). Show more…

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Decide whether each relation defines a function, and give the domain and range. See Examples 1-4. 19. {(1, 1), (1, -1), (0, 0), (2, 4), (2, -4)} 20. {(2, 5), (3, 7), (3, 9), (5, 11)}

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