Question

Exercitiul 2 e urgent va implor ajutor dau coroana

Answer 1

Răspuns:

C= -3≤2x+3<9 /-3

= -6≤2x<6 /2

=> -3≤x<3

=> x apartine [-3;3)

x apartine R

D= -2<x≤1. => x apartine (-2;1]

x apar R

b)

CUD=[-3;3)

a doua= (-2;1]

C\D= {-3;2}

D-C= multimea nula O ala taiat