The Problems of Mathematical Analysis . Application of Derivatives to Function Research" is a fascinating and useful publication created by a team of authors, which will become an indispensable assistant for students, teachers and anyone interested in mathematics at a deeper level. In this work you will find not only theoretical foundations, but also practical problems that will help to better understand and master one of the most important areas of mathematics - mathematical analysis. The main purpose of the book is to show how derivatives can be used to investigate functions. This is not just a set of tasks, but a whole path that leads the reader through various aspects of analysis, ranging from basic concepts to more complex topics. Each task is accompanied by detailed solutions and explanations, which makes the learning process more accessible and understandable. You will be able to see how theoretical knowledge is applied in practice, as well as learn how to solve problems on your own, which will certainly increase your confidence in your abilities. This book will be especially interesting for students of mathematical and technical specialties, as well as for anyone who is ready to deepen their knowledge in the field of analysis. If you study at the Faculty of Physics, Engineering or Economics, then this publication will be a real find for you. It is suitable for both self-study and use as a teaching aid in the classroom. In addition, the book will be useful to teachers who are looking for quality materials to prepare for lessons and seminars . The topics raised in the book cover a wide range of issues related to derivatives and their application. You will learn about the rules of differentiation, the study of functions on extremums, and how derivatives help in the analysis of the behavior of functions. This knowledge is not only necessary for the successful passing of exams, but also has practical applications in various fields, such as economics, physics and engineering. The book highlights the importance of mathematical analysis in today's world, where accuracy and logic play a key role. The style of the authors is distinguished by clarity and accessibility, which makes the material easy to perceive. They use many examples and illustrations to explain complex concepts, which allows the reader not only to remember information, but also to understand its essence. This is especially important for those who are faced with mathematical analysis for the first time. The team of authors includes experienced teachers and researchers, which guarantees high quality of the presented material. If you are looking for books similar in genre, pay attention to the "Mathematical Analysis" G. M. Fichtenholtz or "Elements of Mathematical Analysis" A. N. Kolmogorov . These works will also help you deepen your knowledge in the field of analysis and expand your horizons. In conclusion, "Mathematical Analysis Tasks. Applying Derivatives to the Study of Functions is not just a book, but a whole world in which you can immerse yourself by studying mathematical analysis. It will become your reliable companion in the world of numbers and formulas, will help to develop critical thinking and analytical skills. Do not miss the opportunity to take a step towards new knowledge and discover the fascinating world of mathematics!