Function or Not?

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+2
Standards-aligned
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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.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.
3.
FLASHCARD QUESTION
Front
Is the relation {(1, 2), (2, 3), (3, 4)} a function?
Back
Yes, because each input (1, 2, 3) has exactly one output (2, 3, 4).
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
Is the relation {(1, 2), (1, 3), (2, 4)} a function?
Back
No, because the input 1 is related to two different outputs (2 and 3).
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) for which the function is defined.
6.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce.
7.
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.
Tags
CCSS.8.F.A.1
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