Expression 24: "f" left parenthesis, "x" , right parenthesis equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baselinefx=m1x−B1+B2
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Expression 25: "g" left parenthesis, "x" , right parenthesis equals "A" Subscript, 2 , Baselinegx=A2
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Expression 26: "f" left parenthesis, "G" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "G" Subscript, 1 , Baseline , right parenthesisfG1~gG1
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Expression 27: "G" Subscript, 2 , Baseline equals "g" left parenthesis, "G" Subscript, 1 , Baseline , right parenthesisG2=gG1