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Our unique and complete baccalaureate revision tool ⬇️ https://hedacademy.fr/p/30-questions-... We revise the 2023 Baccalaureate Spé Maths, one video = 1 theme or 1 key concept. Objective here: master convexity. We review all the ways to show that a function is convex or concave: with its curve, with its derivative f' or with its second derivative f''. We correct 2 baccalaureate exercises: graphic reading in the form of MCQs and a slightly more muscular exercise. Video plan 00:00 The best baccalaureate revision program! 00:25 Why is the course important? 00:42 Mastering convexity: course reminder 02:34 Baccalaureate exercise 1: graphic reading 05:25 Baccalaureate exercise 2 - question 1 09:03 Baccalaureate exercise 2 - question 2