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