Intro to Functions
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
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.
2.
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.
3.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation that assigns exactly one output value for each input value.
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
What does it mean for a relation to be 'not a function'?
Back
A relation is not a function if at least one input value is associated with more than one output value.
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
Identify the function: (2, 3), (3, 4), (2, 5)
Back
Not a Function (input 2 has two outputs: 3 and 5).
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
Identify the function: (1, 2), (2, 3), (3, 4)
Back
Function (each input has a unique output).
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
f(x) = 2x + 3 is a function because for every x, there is one corresponding y.
Tags
CCSS.8.F.A.1
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