Function or Non-Function?

Flashcard
•
Mathematics
•
8th - 10th Grade
•
Hard
+1
Standards-aligned
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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).
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What is a non-function?
Back
A non-function is a relation where at least one input (x-value) has more than one output (y-value).
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function using a graph?
Back
A relation is a function if any vertical line drawn on the graph intersects the curve at most once (Vertical Line Test).
4.
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 by checking if a vertical line crosses the graph more than once.
5.
FLASHCARD QUESTION
Front
If a relation has the pairs (1, 2), (1, 3), (2, 4), is it a function?
Back
No, because the input '1' has two different outputs (2 and 3).
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
If a relation has the pairs (1, 2), (2, 3), (3, 4), is it a function?
Back
Yes, because each input has exactly one output.
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What does it mean for a function to be one-to-one?
Back
A one-to-one function is a function where each output is paired with exactly one input, meaning no two different inputs produce the same output.
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