Expression 15: "m" Subscript, 1 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline plus 30 , right parenthesis equals negative 0.4 4 5 2 2 8 6 8 5 3 0 9m1=tan180−ACB+30
equals=
negative 0.4 4 5 2 2 8 6 8 5 3 0 9−0.445228685309
15
Expression 16: "m" Subscript, 2 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline minus 18 , right parenthesis equals negative 3.0 7 7 6 8 3 5 3 7 1 8m2=tan180−ACB−18
equals=
negative 3.0 7 7 6 8 3 5 3 7 1 8−3.07768353718
16
Expression 17: "f" left parenthesis, "x" , right parenthesis equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.fx=m1x−C1
17
Expression 18: "g" left parenthesis, "x" , right parenthesis equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baseline Has graph. To audio trace, press ALT+T.gx=m2x−B1+B2
18
Expression 19: "f" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "D" Subscript, 1 , Baseline , right parenthesis Has regression. To access statistics, press Tab.fD1~gD1