January 2023 1 2 Report
7 Rozwiąż nierówność.
a)
[tex] {x}^{2} - 49 < 0[/tex]
b)
[tex] {x}^{2} - 4x \geqslant 0[/tex]
c)
[tex](x - \frac{1}{2}) (x + 2) \leqslant 0[/tex]

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