About: http://webisa.webdatacommons.org/232133952

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	You can easily verify that the answer you got is a solution by substituting in $y'(x)$, and seeing whether the result is $0$.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com