Question 5 - Examples - Chapter 1 Class 12 Relation and Functions

Last updated at Dec. 16, 2024 by

Example 21 - Are f and g both onto, if gof is onto? - Composite funcions and one-one onto

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Question 5 Are f and g both necessarily onto, if gof is onto? Let f : {1, 2, 3, 4} {1, 2, 3, 4} f is not onto g: {1, 2, 3, 4} {1, 2, 3} g is onto gof is onto. But g & f are not necessarily onto

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo