Function/not a function
Flashcard
•
Mathematics
•
11th 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 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
What does it mean for a mapping to be 'not a function'?
Back
A mapping is 'not a function' if at least one input is associated with more than one output.
4.
FLASHCARD QUESTION
Front
Give an example of a function using ordered pairs.
Back
(1, 2), (2, 3), (3, 4) is a function because each x-value is unique.
5.
FLASHCARD QUESTION
Front
Give an example of a set that is not a function using ordered pairs.
Back
(1, 2), (1, 3) is not a function because the input '1' has two different outputs.
6.
FLASHCARD QUESTION
Front
What is an ordered pair?
Back
An ordered pair is a pair of numbers (x, y) that represent a point in a coordinate system.
7.
FLASHCARD QUESTION
Front
How can you tell if a graph is a function?
Back
You can tell if a graph is a function by using the vertical line test.
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