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## Unit 4 Relations and FunctionsAuthor: Walters NatalieDescription: Keywords: , , , , , , online teachingContent:Definitions: 0. What is the domain of the function (1, -1), (3, 4), ( 0, 9) 1. Is (3, 2) (1, -4) (-3, 0) a function? 2. What is f(3) for the function f(x) = 2x %2b1 3. When a graph is not a function we call it a _______ 4. If a relation passes the ____ line test then its a function 5. What is f(0) for the function f(x) = 3 %2b 2x 6. Is (3, 2) (3, -1) (2, 4) a function? 7. What is another word for y values or output? 8. What are three ways you can evaluate functions? 9. What is the domain of the function (0, 1) (1, 4) (5, 6) 10. What is another word for x values or input? 11. What is f(-3) for the function f(x) = 2 - 4x 12. What is the range of the function (1, -1), (3, 4), ( 0, 9) 13. For a relation to be a function the ___ values can%27t repeat 14. What is the range of the function (0, 1) (1, 4) (5, 6) 15. What is f(-1) for the function f(x) = -3x %2b 2 Answers: 0. 7 1. No, it is not a function 2. 1. Graphing 2. By hand 3. Using a table 3. x 4. 1, 3, 0 5. vertical 6. 14 7. 5 8. -1, 4, 9 9. 1, 4, 6 10. Yes, it is a function 11. 3 12. Domain 13. Range 14. 0, 1, 5 15. relation |