Expression 1: "y" equals left parenthesis, left parenthesis, 1 minus "x" , right parenthesis StartFraction, 100 minus StartRoot, "x" floor left parenthesis, 10 StartRoot, "x" , EndRoot plus 500 , right parenthesis , EndRoot Over 200 , EndFraction plus StartFraction, StartRoot, "x" floor left parenthesis, 10 StartRoot, "x" , EndRoot plus 500 , right parenthesis , EndRoot Over 200 , EndFraction , right parenthesis squared left brace, 0 less than or equal to "x" less than or equal to 1 , right bracey=1−x100−xfloor10x+500200+xfloor10x+50020020≤x≤1