Relations and Functions Review

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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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
Given the function f(x) = 2x + 3, what is f(4)?
Back
f(4) = 2(4) + 3 = 8 + 3 = 11.
4.
FLASHCARD QUESTION
Front
What is an ordered pair?
Back
An ordered pair is a pair of numbers (x, y) that represent a point in a coordinate system.
5.
FLASHCARD QUESTION
Front
How do you find the domain from a set of ordered pairs?
Back
The domain is found by listing all the first elements (x-values) of the ordered pairs.
6.
FLASHCARD QUESTION
Front
How do you find the range from a set of ordered pairs?
Back
The range is found by listing all the second elements (y-values) of the ordered pairs.
7.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation where each input (x-value) is associated with exactly one output (y-value).
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