Functions/ Relations CGMS
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, which can include functions but may also have inputs that map to multiple outputs.
3.
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)}
4.
FLASHCARD QUESTION
Front
What is the domain of a relation?
Back
The domain is the set of all possible input values (x-values) for a function or relation.
5.
FLASHCARD QUESTION
Front
Identify the domain of the relation {(-6,14), (0,32), (2,38), (4,44)}.
Back
{-6, 0, 2, 4}.
6.
FLASHCARD QUESTION
Front
What is the range of a relation?
Back
The range is the set of all possible output values (y-values) for a function or relation.
7.
FLASHCARD QUESTION
Front
All of the y values of a relation are called what?
Back
Range.
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