1003055611

SubArea: 
Logic and sets
Level: 
A
Project ID: 
1003055611
Accepted: 
1
Clonable: 
0
Easy: 
1
Let \( A=(-1;5] \) and \( B=[ -1;7) \). Give the union \( A\cup B\).
\( [ -1;7 ) \)
\( ( -1;7 ) \)
\( ( -1;5 ) \)
\( [ -1;5] \)