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