Functions

Flashcard
•
Mathematics
•
8th Grade
•
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 between a set of inputs and a set of possible outputs where each input is related to exactly one output.
2.
FLASHCARD QUESTION
Front
How can you determine if a graph represents a function?
Back
A graph represents a function if no vertical line intersects the graph at more than one point.
3.
FLASHCARD QUESTION
Front
What does it mean for an x-value to repeat in a function?
Back
If an x-value repeats, it means that there are multiple outputs for that input, which violates the definition of a function.
4.
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 by checking if any vertical line crosses the curve more than once.
5.
FLASHCARD QUESTION
Front
Can a function have the same output for different inputs?
Back
Yes, a function can have the same output for different inputs, as long as each input has only one output.
6.
FLASHCARD QUESTION
Front
What is a one-to-one function?
Back
A one-to-one function is a function where each output is related to exactly one input, meaning no two different inputs produce the same output.
7.
FLASHCARD QUESTION
Front
What is a mapping diagram?
Back
A mapping diagram visually represents a function by showing how each input is paired with its corresponding output.
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