October 2018 1 23 Report

Parabola f(x)=2(x+ \frac{1}{2})(x- \frac{1}{2}) przyjmuje wartości niedodatnie dla:
a) \ x\leq-\frac{1}{2}\ lub \ x\geq\frac{1}{2} \\b)\ x\in (-\infty; -\frac{1}{2}) \cup(\frac{1}{2};+\infty) \\c)\ x\in(-\frac{1}{2};\ \ \frac{1}{2}) \\d)\ -\frac{1}{2} \leq x \leq \frac{1}{2}
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