A set of numbers has the property that for any number x in the set, x+2 is also in the set. If -2 is in the set, which of the following must also be in the set
1. -4
2. 4
3. 0 Pick one.
A) 1 only	B) 2 only	C) 1 and 2 only	D) 1 and 3 only	E) 1,2 and 3
If X is in the set than X+ 2 is also in the set   If -2 in the set than    -2+2= 
<gadget id="calculator"> -2+2</gadget>
<output>0</output>
0 is also in the set   Since + 2 is Present, 2 + 2= 4 Is also present in the set .   Therefore Ans 1 and 3 only
<result>D</result>
A set of numbers has the property that for any number x in the set, x+2 is also in the set. If -2 is in the set, which of the following must also be in the set
1. -4
2. 4
3. 0