Function, Relations, Domain,and Range
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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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
What is a relation?
Back
A relation is a set of ordered pairs, where each pair consists of an input and an output.
3.
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.
4.
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.
5.
FLASHCARD QUESTION
Front
Which of the following is NOT a function? {(1,-5), (3,1), (-5,4), (4,-2)}, {(2,7), (3,7), (4,7), (5,8)}, {(1,-5), (-1,6), (1,5), (6,-3)}, {(3,-2), (5,-6), (7,7), (8,8)}
Back
{(1,-5), (-1,6), (1,5), (6,-3)}
6.
FLASHCARD QUESTION
Front
Is the relation a function? Yes or No: {(0,1), (1,-3), (2,-4), (-4,1)}
Back
Yes, because each x-value has only one y-value paired with it.
7.
FLASHCARD QUESTION
Front
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
Back
D: {0, 1, 2, -4} R: {1, -3, -4}.
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