Expression 2: "x" equals left parenthesis, StartFraction, left parenthesis, 6378.1 4 positive "y" , right parenthesis times 2 times pi Over 0.9 9 7 2 6 9 6 8 times 24 times 60 times 60 , EndFraction , right parenthesis left brace, "x" greater than or equal to 0 , right bracex=6378.14+y·2·π0.99726968·24·60·60x≥0
2
Expression 3: "x" equals StartFraction, StartRoot, left parenthesis, StartNestedFraction, 2 times 6.6 7 3 times 10 to the negative 11th power times 5.9 7 2 1 9 times 10 to the 24th power NestedOver left parenthesis, 6378.1 4 times 1000 plus "y" times 1000 , right parenthesis , EndNestedFraction , right parenthesis , EndRoot Over 1000 , EndFraction left brace, "y" greater than or equal to 0 , right bracex=2·6.673·10−11·5.97219·10246378.14·1000+y·10001000y≥0