What is the definition of a function?
Functions, Domain and Range

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•
Mathematics
•
8th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A relation that maps every domain value to exactly one range value.
2.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The set of all possible input values (x-values) for the function.
3.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The set of all possible output values (y-values) for the function.
4.
FLASHCARD QUESTION
Front
Identify if the following set of ordered pairs is a function: (1, 2), (2, 3), (1, 4).
Back
Not a function, because the input '1' maps to two different outputs (2 and 4).
5.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.
6.
FLASHCARD QUESTION
Front
Given the ordered pairs (3, 5), (4, 6), (5, 7), what is the domain?
Back
The domain is {3, 4, 5}.
7.
FLASHCARD QUESTION
Front
Given the ordered pairs (3, 5), (4, 6), (5, 7), what is the range?
Back
The range is {5, 6, 7}.
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