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What is Demonstrating Onto Functions in Class 12 about?

This document describes an activity to demonstrate a function that is not one-to-one but is onto. The activity involves pasting plastic strips with nails on either side of a cardboard and joining the nails to represent a correspondence between elements of two sets. Set X has elements 1, 2, 3 and set Y has elements a and b. By joining the nails as shown in the figure, it represents a function that is not one-to-one as elements 1 and 3 in set X both map to element a in set Y, but the function is onto as every

Author

Yogesh Reddy

Language

EN