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