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On the set (A={1,2,3}), a function (f:A\to A) is given by (f(1)=2), (f(2)=3), (f(3)=1). What type of function is it?

Answer and explanation

Correct answer: One-one

Step 1: The images of the three inputs are (2,3,1). Step 2: No two different inputs give the same image. Step 3: For a finite set, one-one nature can be checked quickly by comparing images.

Related tags

Relations-FunctionsOne-One-FunctionFinite-SetMappingOne One FunctionRelations And FunctionsMathematicsClass 12 Mcq

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