Introduction to Functions
Flashcard
•
Mathematics
•
7th - 8th 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 that assigns exactly one output (y-value) for each input (x-value).
Tags
CCSS.8.F.A.1
2.
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.
3.
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.
4.
FLASHCARD QUESTION
Front
What does it mean for a relation to be a function?
Back
A relation is a function if no two ordered pairs have the same first element (x-value).
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
Identify the domain of the function: f(x) = x^2 for x in [-3, 3].
Back
The domain is -3 ≤ x ≤ 3.
6.
FLASHCARD QUESTION
Front
Identify the range of the function: f(x) = x^2 for x in [-3, 3].
Back
The range is 0 ≤ y ≤ 9.
7.
FLASHCARD QUESTION
Front
What is an independent variable in a function?
Back
The independent variable is the input value (x) that can be changed freely.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
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