About: http://webisa.webdatacommons.org/329098817

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Sufficient.Answer: D.I used x= +6 and -6 ..Which is true in both the cases..it shud be E..Stem says that x is a positive number, thus x cannot be -6.Hope it is clear. _________________
http://www.w3.org/ns/prov#wasQuotedFrom	gmatclub.com