%0 Journal Article %T The Study of the Concept of a Derivative in Classes with Different Profiles %A Pestereva, V.L. %A Cheremnyh, E.L. %K profi le component of teaching mathematics, professional interest, study of the derivative, method of projects. %J Profession-Oriented School %D 2018 %N 6 %P 7 %I INFRA-M Academic Publishing LLC.