Copy of Functions and Function Notation
Flashcard
•
Mathematics
•
9th 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
How can you determine if a graph represents a function?
Back
Use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.
3.
FLASHCARD QUESTION
Front
What is function notation?
Back
Function notation is a way to represent functions using symbols, typically written as f(x), where f is the function name and x is the input.
4.
FLASHCARD QUESTION
Front
What does f(9) represent in function notation?
Back
f(9) represents the output of the function f when the input is 9.
5.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain is the set of all possible input values (x-values) for a function.
6.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range is the set of all possible output values (y-values) for a function.
7.
FLASHCARD QUESTION
Front
Can a function have two outputs for the same input?
Back
No, a function cannot have two outputs for the same input; this would violate the definition of a function.
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