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1 Institute of Mathematics, University of Lübeck, Lübeck, Germany 2 Institute of Mathematics, National Academy of Sciences of Ukraine, Kyiv, Ukraine This paper ...

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Many types of economic problems require that we consider two variables at the same time. A typical example is the relation between price of a commodity and the demand or supply of that commodity. The ...

As a teacher, it can be challenging to explain abstract concepts like direct variation and inverse variation to your students. However, with the right activities, you can make these concepts much more ...

Teaching students how to identify inverse functions is essential for understanding advanced math concepts. Inverse functions are an integral part of calculus courses, and students must have a solid ...

Which inverse function calculator is best? If you’re taking a math course in which you’re studying inverse functions, you’ll likely be required to graph functions and their inverses in many ways. An ...

Abstract: The present paper mainly discuss the classification of continuous and discontinuous functions of unbounded variation on closed intervals. The classification of functions of bounded variation ...