A set of numbers has the property that for any number x in the set, x+3 is also in the set. If -3 is in the set, which of the following must also be in the set
1. -6
2. 0
3. 6
Choose one:
A) 1 only
B) 2 only
C) 1 and 2 only
D) 2 and 3 only
E) 1,2 and 3
If X is in the set than X+ 3 is also in the set   If -3 in the set than    -3+3= 
<gadget id="calculator"> -3+3</gadget>
<output>0</output>
0 is also in the set   Since + 3 is Present, 3 + 3= 6 Is also present in the set .   Therefore Answer: 2 and 3 only
<result>D</result>
A set of numbers has the property that for any number x in the set, x+3 is also in the set. If -3 is in the set, which of the following must also be in the set
1. -6
2. 0
3. 6