Relations & Functions - 2021
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
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 where every input has only ONE output.
2.
FLASHCARD QUESTION
Front
Is this mapping a function or not a function? (Example: {(1,2), (2,3), (3,4)})
Back
This mapping is a Function.
3.
FLASHCARD QUESTION
Front
What are all of the y values or outputs called?
Back
All of the y values or outputs are called the Range.
4.
FLASHCARD QUESTION
Front
What are all of the x values or inputs called?
Back
All of the x values or inputs are called the Domain.
5.
FLASHCARD QUESTION
Front
Is this a function? (Example: {(1,2), (1,3)})
Back
No, this is not a function because the input 1 has two different outputs.
6.
FLASHCARD QUESTION
Front
What is the range of the function f(x) = 2x + 3?
Back
The range is all real numbers since it can take any value.
7.
FLASHCARD QUESTION
Front
What is the domain of the function f(x) = 1/x?
Back
The domain is all real numbers except x = 0.
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