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102.48 The function ƒ(x) / x is v-shaped for convex ƒ

Published online by Cambridge University Press:  17 October 2018

Janusz Matkowski  and
Alfred Witkowski
Janusz Matkowski
Affiliation:
Faculty of Mathematics, Computer Sciences and Econometrics, University of Zielona Gora, Szafrana 4A, 65-516 Zielona Góra, Poland e-mail: [email protected]
Alfred Witkowski
Affiliation:
Institute of Mathematics and Physics, UTP University of Science and Technology, al. prof. Kaliskiego 7, 85-796 Bydgoszcz, Poland e-mail: [email protected]
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Information
The Mathematical Gazette , Volume 102 , Issue 555 , November 2018 , pp. 517 - 520
Copyright
Copyright © Mathematical Association 2018 

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References

1. Walter, W. (ed.), General inequalities 6. Proceedings of the Sixth International Conference held in Oberwolfach, December 9-15, 1990. International Series of Numerical Mathematics, 103. Birkhäuser Verlag, Basel (1992).Google Scholar
2. Wikipedia, Convex function, https://en.wikipedia.org/wiki/Convex_function.Google Scholar
3. Hardy, G. H., Littlewood, J. E., Pólya, G., Inequalities, Cambridge University Press (1952).Google Scholar