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