Expression 17: "g" left parenthesis, "x" , right parenthesis equals negative left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis plus "D" Subscript, 2 , Baselinegx=−x−D1+D2
17
Expression 18: "g" left parenthesis, "B" Subscript, 1 , Baseline , right parenthesis tilde "h" left parenthesis, "B" Subscript, 1 , Baseline , right parenthesisgB1~hB1