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Unit 4 Relations and Functions

Author: Walters Natalie
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. What is the domain of the function (1, -1), (3, 4), ( 0, 9)
1. Is (3, 2) (1, -4) (-3, 0) a function?
2. What is f(3) for the function f(x) = 2x %2b1
3. When a graph is not a function we call it a _______
4. If a relation passes the ____ line test then its a function
5. What is f(0) for the function f(x) = 3 %2b 2x
6. Is (3, 2) (3, -1) (2, 4) a function?
7. What is another word for y values or output?
8. What are three ways you can evaluate functions?
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 f(-3) for the function f(x) = 2 - 4x
12. What is the range of the function (1, -1), (3, 4), ( 0, 9)
13. For a relation to be a function the ___ values can%27t repeat
14. What is the range of the function (0, 1) (1, 4) (5, 6)
15. What is f(-1) for the function f(x) = -3x %2b 2

Answers:
0. 7
1. No, it is not a function
2. 1. Graphing 2. By hand 3. Using a table
3. x
4. 1, 3, 0
5. vertical
6. 14
7. 5
8. -1, 4, 9
9. 1, 4, 6
10. Yes, it is a function
11. 3
12. Domain
13. Range
14. 0, 1, 5
15. relation