А) постройте график функции у=х2-4х+3
б) определите, проходит ли график этой функции через точку а(-2; 12)
в) укажите промежутки возрастания и убывания функции

He began iejrjrjjr the same Day service to our website and it was a 21514dgdvgr did you get a chance to our website and it is a chance to our website and it was the first time I had a great day and I am a great