Function or not a function
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation where each input (x-value) has exactly one output (y-value).
2.
FLASHCARD QUESTION
Front
What does it mean if a relation is not a function?
Back
A relation is not a function if at least one input (x-value) has more than one output (y-value).
3.
FLASHCARD QUESTION
Front
How can you determine if a table represents a function?
Back
Check if any x-value is repeated. If it is, the table does not represent a function.
4.
FLASHCARD QUESTION
Front
What is a mapping diagram?
Back
A mapping diagram visually represents the relationship between inputs and outputs, showing how each input is paired with an output.
5.
FLASHCARD QUESTION
Front
Can a mapping diagram represent a function?
Back
Yes, if each input is connected to exactly one output.
6.
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.
7.
FLASHCARD QUESTION
Front
Example of a function: (1, 2), (2, 3), (3, 4). Is this a function?
Back
Yes, each input has exactly one output.
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