Function — Practice Quiz
Gujarat Board · Class 11 · Statistics
Try a 4-question quiz on Function for Gujarat Board Class 11 Statistics: tap an answer to check it and see why. 44 questions in the full chapter test.
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Quick Quiz: Function
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What is the definition of a function from set A to set B?
If f: A → B, then A is called the _____ and B is called the _____.
What is the range of a function?
In a many-one function, what happens to different elements of the domain?
Sample Questions
Which of the following are characteristics of a one-one function?
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Different elements in domain have different images, No two elements in domain map to same element in codomain, Also called injective function
A one-one function ensures that different inputs produce different outputs. This means no two domain elements map to the same codomain element, making it injective.
What defines a constant function?
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All elements in domain map to the same element in codomain
A constant function maps every element of the domain to the same single element in the codomain, like f(x) = c where c is constant.
For f(x) = x + 3 where domain is {1, 2, 3}, what is the range?
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{4, 5, 6}
For f(x) = x + 3: f(1) = 4, f(2) = 5, f(3) = 6. Therefore, range = {4, 5, 6}.
Which conditions must be satisfied for two functions f and g to be equal?
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Both functions must have the same domain, For each x in domain, f(x) = g(x)
Two functions are equal if they have the same domain and produce the same output for every input in that domain.
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