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