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If (f:A\to B), (A={m,n}), and (B={r,s,t}), how many choices are there for (m) in a function?

Answer and explanation

Correct answer: (3)

The image of (m) can be any one of the (3) elements of (B). In counting, each domain element gets as many choices as the codomain size.

Related tags

FunctionsCountingChoicesFunctions As A Special Kind Of RelationRelations And FunctionsMathematicsClass 11 Mcq

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