January 2019 1 18 Report
Rozwiąż nierówność
a) (x+1) (x-3) < 0
b) (2x-7) (4-x) ≥ 0
c) -2(x-1) (4-x) ≥ 0
d) 16x² - 25 ≥ 0
e) x² - 7 < 0
f) 2x² +1 > 0
g) 4x² + 3x -1 > 0
h) -x² - 7x - 10 ≤ 0
i) 2x² - 3x + 1 ≥ 0
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