表达式6: "y" equals "x" squared left brace, StartFraction, 1 Over "e" squared , EndFraction less than "x" less than "e" , right bracey=x21e2<x<e
6
表达式7: "y" equals 2natural log "x" plus "m" left brace, StartFraction, 1 Over "e" squared , EndFraction less than "x" less than "e" , right bracey=2lnx+m1e2<x<e