November 2018 1 23 Report

1.rozwiąz nierówność:

x^{2} +2|x|<3

2. Dane są zbiory Ai B. Zaznacz na osi liczbowej zbiory A \cup B , A \cap B , A \ B</p> <p>a)</p> <p>A= {x∈R: [tex]x^{2} -x -6 \leq 0

B={x∈R:-x^{2} \leq 4x

prosiłabym o narysiwanie tych osi :)


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