September 2018 1 20 Report

Rozwiąż nierówność:

a) \sqrt{(3x+1)^{2}}\leq2

b)\sqrt{(2-x)}^{2} >3

Wyznacz wszystkie elementy zbioru:

a) C = \left \{ {{x:|x| > 3 \cap x < 8 \cap x E C^+ } \right

b) D = \left \{ {{x:|x|<5 \cap x E C^-}


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