Domain and Range of Functions
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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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
Identify the domain of the function: f(x) = 1/(x-2)
Back
The domain is all real numbers except x = 2.
4.
FLASHCARD QUESTION
Front
Identify the range of the function: f(x) = x^2
Back
The range is all real numbers y such that y ≥ 0.
5.
FLASHCARD QUESTION
Front
What does it mean if a function has a domain of all real numbers?
Back
It means that the function can accept any real number as an input.
6.
FLASHCARD QUESTION
Front
How do you find the domain of a function given a graph?
Back
Look for the x-values that the graph covers; any x-value not represented in the graph is not in the domain.
7.
FLASHCARD QUESTION
Front
What is the domain of the function f(x) = sqrt(x)?
Back
The domain is all real numbers x such that x ≥ 0.
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