FUNCTION OR NOT FUNCTION
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
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 in which each input (x-value) is associated with exactly one output (y-value).
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method to determine if a curve is a function. If any vertical line intersects the curve more than once, it is not a function.
3.
FLASHCARD QUESTION
Front
Define a relation.
Back
A relation is a set of ordered pairs, where each pair consists of an input and an output.
Tags
CCSS.8.F.A.1
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 more than one output.
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
Example of a function: A = {(1, 2), (2, 3), (3, 4)}. Is A a function?
Back
Yes, A is a function because each input has exactly one output.
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
Example of a not function: E = {(2, 3), (2, 5)}. Is E a function?
Back
No, E is not a function because the input 2 is associated with two different outputs (3 and 5).
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) for which the function is defined.
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