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