Expression 17: "m" Subscript, 2 , Baseline equals tangent left parenthesis, negative "A" Subscript, "B" "C" , Baseline , right parenthesism2=tan−ABC
equals=
negative 2.7 4 7 4 7 7 4 1 9 4 5−2.74747741945
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Expression 18: "f" left parenthesis, "x" , right parenthesis equals "m" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesisfx=m1x
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Expression 19: "g" left parenthesis, "x" , right parenthesis equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesisgx=m2x−B1
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Expression 20: "f" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesisfD1~gD1
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Expression 21: "D" Subscript, 2 , Baseline equals "g" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesisD2=gD1
equals=
5.7 5 8 7 7 0 4 8 3 1 45.75877048314
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Graphs
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Expression 23: polygon left parenthesis, "A" , "D" , right parenthesispolygonA,D
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Expression 24: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C