Can't seem to grasp these can you help

ECK Your Understanding mples 1, 2 State the domain and range of each relation. Then determine whether (pp. 59-60) each relation is a function. Write yes or no. 1. D R 2. 3. (-1, 4 ) (2, 3 ) ONw 15 . (2, 2) (3, 1)9 20 WEATHER For Exercises 4-6, use the table that State Jan. July shows the record high temperatures (F) for California 97 134 January and July for four states. Illinois 78 117 4. Identify the domain and range. Assume that North Carolina 86 109 the January temperatures are the domain. Texas 98 119 5. Write a relation of ordered pairs for the data. Source: U.S. National Oceanic and 6. Graph the relation. Is this relation a function? Atmospheric Administration es 2, 3 Graph each relation or equation and find the domain and range. Then 60-61) determine whether the relation or equation is a function and state whether it is discrete or continuous. 7. ((7, 8), (7, 5), (7, 2), (7, -1)] 8. {(6, 2.5), (3, 2.5), (4, 2.5) ) 9. y = -2x + 1 10. x = yz ple 4 11. Find f(5) if f(x) = x2 - 3x. 12. Find h(-2) if h(x) = x3 + 1. . 61) LP State the domain and range of each relation. Then determine whether each relation is a function. Write yes or no. les 13. D R 14. D R 15. X y 0.5 -3 2 0.8 0.5 8 16. 17. 18. 2000 $4000 2001 $4300 O 2002 $4600 O 2003 $4500 Determine whether each function is discrete or continuous. 19. f ( x ) 4 20. f ( x ) O 21. {(-3, 0), (-1, 1), (1, 3)} 22. y = -x+4 Relations and Functions