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On the set (A={1,2,3}), (f={(1,2),(2,3),(3,1)}) is given. Which statement about (f) is correct?

Answer and explanation

Correct answer: It is a bijective function

Step 1: Every element of (A) has exactly one image, so it is a function. Step 2: The images (1,2,3) are all distinct and cover the whole set (A). Step 3: On a finite set, if all images are distinct and the sizes match, the function is bijective.

Related tags

FunctionsBijectionFinite-SetOrdered-PairsRelations And FunctionsMathematicsClass 12 Mcq

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