Expression 1: "v" left parenthesis, "x" , right parenthesis equals floor left parenthesis, StartFraction, 1 Over 16 , EndFraction times floor left parenthesis, StartFraction, "s" times left parenthesis, 1 minus StartNestedFraction, 1 NestedOver 1 plus "x" , EndNestedFraction , right parenthesis Over 1 plus StartAbsoluteValue, 1 minus "x" , EndAbsoluteValue , EndFraction , right parenthesis , right parenthesis Has graph. To audio trace, press ALT+T.vx=floor116·floors·1−11+x1+1−x