Domain and Range

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of a function?
Back
A function is a relation in which 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 used to determine if a graph represents a function. If any vertical line intersects the graph at more than one point, the graph does not represent a function.
3.
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.
4.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce.
5.
FLASHCARD QUESTION
Front
How do you determine the domain of a function from a graph?
Back
To determine the domain from a graph, identify all the x-values that the graph covers.
6.
FLASHCARD QUESTION
Front
How do you determine the range of a function from a graph?
Back
To determine the range from a graph, identify all the y-values that the graph covers.
7.
FLASHCARD QUESTION
Front
What does it mean if a relation is not a function?
Back
A relation is not a function if at least one input (x-value) is associated with more than one output (y-value).
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