September 2018 1 19 Report

Dane sa zbiory :

A= { x: x ∈ R : -4x+1>0}

B= { x: x ∈ R : -2x ≤12}

C=<0;4>

a)zaznacz na osi liczbowej zbiory A i B oraz zapisz je w postaci przedzialu

b)wyznacz zbiory : A∧B , A\B , (A∨C)∧B


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