- Want to be the Topper ??? Learn from the Topper ( Vaibhav Gupta IIT-JEE AIR - 54 ). Prepare for your Boards and New IIT-JEE Pattern-JEE Mains & JEE Advanced MH-CETBITSATother Competitve Exams with Plancess.br "Concepts Covered - br Relations, Real-Valued Functions, Domain, Co-Domain And Range,br Types of Functions, Composite Functions, Classification of Functions, Even,br Odd and Periodic Fuctions, Inverse Functions"br Note - Please note that this is a sample video of lecture. Quality of the video is compressed due to best view in youtube. Also only Advance level is available for sample viewing.