PT  - JOURNAL ARTICLE
AU  - MASÁROVÁ, Renáta
TI  - THE NOTES ABOUT SOME BASE PROPERTIES OF FUNCTIONS
DP  - 2011 Jul 1
TA  - Trends in education
PG  - 116--119
VI  - 4
IP  - 1
IS  - 18058949
AB  - The article describes posible techniques of defining monotone, possibly convex and concave functions. It points out the most repeated errors and erroneous notion, which are made by students of technical schools. It includes posible extension of this area too.