loveregina354 loveregina354

19-03-2021
Mathematics

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Which of the following is a one-to-one functions?

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ReetaChoudhary ReetaChoudhary

19-03-2021

Answer:

A function f : X → Y is said to be one to one (or injective function), if the images of distinct elements of X under f are distinct, i.e., for every x1 , x2 ∈ X, f(x1 ) = f(x2 ) implies x1 = x2 . Otherwise, it is called many to one function.

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