Expression 3: "g" left parenthesis, "x" , right parenthesis equals StartFraction, "x" Over StartAbsoluteValue, "x" , EndAbsoluteValue plus 1 , EndFraction minus mod left parenthesis, StartFraction, "x" Over StartAbsoluteValue, "x" , EndAbsoluteValue plus 1 , EndFraction , 1 , right parenthesis plus 1gx=xx+1−modxx+1,1+1
3
Expression 4: "g" left parenthesis, 0 , right parenthesisg0
equals=
11
4
Expression 5: "h" left parenthesis, "x" , right parenthesis equals min left parenthesis, 0 , sgn left parenthesis, "x" , right parenthesis , right parenthesis plus 1hx=min0,sgnx+1
5
Expression 6: "h" left parenthesis, 0 , right parenthesish0