Question

rezolvati in multimea Z inecuatiile: x-4>0 b) x-3>0 c) -x+2<0 d) x-1este mai mic sau egal decat 0

Answer 1

a) x>4 -> x aparține (4;5;6;7;8;....)

b) x>3 -> x aparține (3;4;6;7;.....)

c) x>2 -> x aparține (2;4;5;6;7;....)

d) x<= 1 (mai mic sau egal)

-> x aparține (....;-3;-2;-1;0;1]

Sper ca te am ajutat!!!!

Answer 2

a) x-4>0

x>4

x∈{4,5,6,7,8,....}

b) x-3>0

x>3

x∈{3,4,5,6,7,...}

c) -x+2<0

-x<-2 / ×(-1)

x>2

x∈{2,3,4,5,6,.....}

d) x-1≤0

x≤1

x∈{......,-1,0,1}