Is it 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) is associated with exactly one output (y-value).
2.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is 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.
3.
FLASHCARD QUESTION
Front
Is the set of points (1,2), (2,3), (3,4), (1,5) a function?
Back
No, because the input value '1' corresponds to two different output values (2 and 5).
4.
FLASHCARD QUESTION
Front
What does it mean for a relation to be not a function?
Back
A relation is not a function if at least one input is associated with multiple outputs.
5.
FLASHCARD QUESTION
Front
Can a function have the same output for different inputs?
Back
Yes, a function can have the same output for different inputs, as long as each input has only one output.
6.
FLASHCARD QUESTION
Front
What is a mapping diagram?
Back
A mapping diagram visually represents a function by showing how each input is paired with its corresponding output.
7.
FLASHCARD QUESTION
Front
If a function has an input of 3 and outputs of 4 and 5, is it a function?
Back
No, it is not a function because the input '3' has two outputs.
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