Chapter 1.4, Problem 7QR

Exercises 13–16: For the table of data, complete the following. (a) Express the data as a relation S. (b) Find the domain and range of S. 13. -1 2 3 5 -4 -5 14. -2 2 4 6. -4 -2 -1 4 15. 1 4 5 4 1 5 5 6. 5 16. -1 3 -1 -2 2.

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Exercises 17-22: Complete the following. (a) Find the domain and range of the relation. (b) Determine the maximum and minimum of the x-values and then of the y-values. (c) Label appropriate scales on the xy-axes. (d) Plot the relation. 17. {(0, 5). (-3, 4). (-2, –5). (7. –3). (0.0)} 18. {(1, 1). (3,0). (-5, –5), (8, –2). (0, 3)} 19. {(2, 2). (–3, 1). (-4, –1), (–1, 3), (0, –2) } 20. {(1,1), (2, –3), (-1, –1), (-1, 2). (-1,0)} 21. {(10, 50), (–35, 45). (0, –55). (75, 25), (–25, –25)} 22. {(-1.2, 1.5), (1.0, 0.5). (-0.3, 1.1). (-0.8, –1.3)}