Question

Testii variant1. choose the right variant: 1. in what spring month do we have the holiday – women's day? a) marchc) mayb) aprild) june2. in what spring month do we have the holiday – all fools' day? a) marchc) mayb) aprild) june3. in what spring month do we have the holiday – victory day? a) marchc) mayb) aprild) june4. on this holiday people decorate the fir-tree. it a) april fool's dayc) halloweenb) new yeard) father's day5. on this holiday girls usually bake the cookies and put the papers with their wishes forthe boys into the cookies. it a) mother's dayc) st. valentine's dayb) father's dayd) st.patrick's day6. on this holiday people in the family try to let their mother have a rest. it a) mother's dayc) new yearb) father's dayd) christmas7. on this holiday people like to play jokes on other people. it a) halloweenc) easterb) april fool's dayd) new year​

Answer 1

ось абцисс график пересекает в точке (2; 0)

функция убывает при хэ(в другую сторону) (-бесконечности: 2)

функция возрастает при хэ(э в другую сторону) (2: +бесконечности)

y> 0 при хэ (2: +,бесконечности)