Class XI Mathematics Quiz: Relations and Functions
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Preview questions
1. What is a relation in mathematics?
A set of ordered pairs · A single number · A geometric shape · A mathematical operation
2. If A = {1, 2} and B = {3, 4}, what is the relation R from A to B?
{(1,3), (2,4)} · {(1,4), (2,3)} · {(1,1), (2,2)} · {(3,1), (4,2)}
3. Which of the following is a function?
{(1,2), (1,3)} · {(2,3), (3,4)} · {(4,5), (5,4)} · {(1,1), (2,2), (3,3)}
4. What is the domain of the function f(x) = x^2?
All real numbers · Only positive numbers · Only integers · Only negative numbers
5. In the relation R = {(1,2), (2,3), (3,4)}, what is the range?
{1, 2, 3} · {2, 3, 4} · {1, 3, 4} · {1, 2, 4}
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