Question

VA ROG MULTTTTT
DAU COROANA
E URGENT
1 si 2​

Answer 1

Răspuns:

A 7(2x+5)>77

2x+5>11

2x>11-5

2x>6

x>3

A=[4....infinit)

B. 3x+12/x +6

3x+12=x+6

2x=-6

x=-3

B=[3.......infinit)

A reunit B =[3,4......infinit)

A intersectat B=[ 4,5....infinit)

A\B={ }

B\A={3}