Expression 15: "g" left parenthesis, "x" , right parenthesis equals "m" Subscript, 2 , Baseline "x"gx=m2x
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Expression 16: "h" left parenthesis, "x" , right parenthesis equals "m" Subscript, 3 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesishx=m3x−B1
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Expression 17: "g" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesis tilde "h" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesisgD1~hD1
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Expression 18: "D" Subscript, 2 , Baseline equals "h" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesisD2=hD1