# What is One to One Function? Chapter 1

One-One function:

A one-one function is a function where each element of the range paired with exactly one element of the domain.

Let A= {a, b, c ,d} and b = { 1, 2, 3, 4 }

F = {(a, 3), (b, 2), (c, 1), (d, 3)}

Function f is a One to one function because domain does not share their range.

For Chapter 1 – Exercise 1.3 Q 14 Part E Click Here or for what is On to Function? Click Here.

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