October 2018 2 26 Report

czy prawidlowo?

Nierownosci graficznie.

x2<9

do x wzialem -2,-1,0,1,2.Odp. x (-2,2)


2X2≥3X

W 2x2 DO X wzialem -2,-1,0,1,2

w 3x do x wzialem 1,2,3.

Odp x (-∞,0]

x ∈ [2;+∞)


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