นิพจน์ 2: "y" equals StartFraction, 100 plus left parenthesis, "b" plus 1 , right parenthesis Over 1 plus StartNestedFraction, 0.1 6 "x" squared NestedOver "b" plus 1 , EndNestedFraction , EndFraction minus left parenthesis, "b" plus 1 , right parenthesis left brace, "x" greater than or equal to 0 , right brace left brace, "y" greater than or equal to 0 , right bracey=100+b+11+0.16x2b+1−b+1x≥0y≥0