Is It a Function Tables
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 for a relation to be a function?
Back
A relation is a function if no x-value is repeated with different y-values.
3.
FLASHCARD QUESTION
Front
Identify a function from the following pairs: (1,2), (1,3), (2,4), (3,5)
Back
This is NOT a function because the x-value '1' is repeated with different y-values.
4.
FLASHCARD QUESTION
Front
Identify a function from the following pairs: (1,2), (2,3), (3,4), (4,5)
Back
This IS a function because each x-value is unique.
5.
FLASHCARD QUESTION
Front
What is a mapping in the context of functions?
Back
A mapping shows how each input is paired with an output.
6.
FLASHCARD QUESTION
Front
What does it mean if a table does not represent a function?
Back
It means that at least one x-value is associated with more than one y-value.
7.
FLASHCARD QUESTION
Front
Which of the following represents a function: {(1,2), (2,3), (3,4), (4,5)} or {(1,2), (1,3), (1,4)}?
Back
{(1,2), (2,3), (3,4), (4,5)} is a function.
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