Sets, Relations and Functions
Telangana Open School (TOSS) · Class 12 · Mathematics
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Quick Quiz: Sets, Relations and Functions
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Which of the following is a well-defined set?
If A = {1, 2, 3} and B = {2, 3, 4}, what is A × B?
Which of the following represents an ordered pair?
Let R be a relation from A to B. Which of the following is always true?
Sample Questions
Which of the following is a function?
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{(1,2), (2,3), (3,4)}
A function requires each input (first element) to have exactly one output. Here, no input repeats with different outputs.
What is the domain of the relation R = {(1, a), (2, b), (3, c)}?
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{1, 2, 3}
The domain of a relation is the set of all first elements of the ordered pairs.
What is the range of the function f = {(1, 2), (2, 3), (3, 4)}?
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{2, 3, 4}
The range is the set of all second elements (outputs) of the ordered pairs in the function.
Which notation represents the set of integers?
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Z
Z is the standard notation for the set of all integers, positive, negative, and zero.
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