Function or Not?
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•
Mathematics
•
8th Grade
•
Hard
Wayground Content
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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 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
Can a function have the same y-value for different x-values?
Back
Yes, a function can have the same y-value for different x-values, as long as each x-value has only one corresponding y-value.
4.
FLASHCARD QUESTION
Front
What does it mean if an x-value has two different y-values?
Back
If an x-value has two different y-values, the relation is not a function because it violates the definition of a function.
5.
FLASHCARD QUESTION
Front
Is the set {(1, 2), (2, 3), (1, 4)} a function?
Back
No, it is not a function because the x-value 1 is paired with two different y-values (2 and 4).
6.
FLASHCARD QUESTION
Front
Is the set {(1, 2), (2, 3), (3, 4)} a function?
Back
Yes, it is a function because each x-value has exactly one y-value.
7.
FLASHCARD QUESTION
Front
What is an ordered pair?
Back
An ordered pair is a pair of numbers (x, y) that represents a point on a graph, where x is the input and y is the output.
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