Expression 22: "f" left parenthesis, "x" , right parenthesis equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis plus "A" Subscript, 2 , Baselinefx=m1x−A1+A2
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Expression 23: "g" left parenthesis, "x" , right parenthesis equals negative StartRoot, "R" squared minus "x" squared , EndRootgx=−R2−x2
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Expression 24: "f" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesis left brace, "D" Subscript, 1 , Baseline greater than "O" Subscript, 1 , Baseline , right bracefD1~gD1D1>O1
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Expression 25: "D" Subscript, 2 , Baseline equals "g" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesisD2=gD1
Expression 28: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis plus "A" Subscript, 2 , Baselinem1x−A1+A2