Expression 2: "y" Subscript, 2 , Baseline equals left parenthesis, StartFraction, 2 "x" Over ln left parenthesis, 2 , right parenthesis , EndFraction , right parenthesisy2=2xln2
2
Expression 3: "y" Subscript, 3 , Baseline equals ceiling left parenthesis, StartFraction, 2 Over 2 Superscript, StartNestedFraction, 1 NestedOver "x" , EndNestedFraction , Baseline minus 1 , EndFraction , right parenthesisy3=ceil221x−1
3
Expression 4: "y" Subscript, 4 , Baseline equals left parenthesis, StartFraction, 2 Over 2 Superscript, StartNestedFraction, 1 NestedOver "x" , EndNestedFraction , Baseline minus 1 , EndFraction , right parenthesisy4=221x−1