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