September 2021 1 7 Report
Решите неравенства методом интервалов:
1) (x-1)·(x+5)>0
2) x(x+3)·(7-x)<0
Решите неравенства, используя метод интервалов:
1) 2x²-18x>0
2) x(2x+9)·(7-x)<0
Найдите область определения функции:
[tex]y \frac{ \sqrt{2x^{2}+11x-6 } }{-5} [/tex]
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