Biểu thức 1: "T" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis equals rotate left parenthesis, dilate left parenthesis, "x" , token 10 , StartFraction, StartAbsoluteValue, token 17 minus token 10 , EndAbsoluteValue Over StartAbsoluteValue, token 16 minus token 10 , EndAbsoluteValue , EndFraction , right parenthesis , token 10 , directedangle left parenthesis, token 16 , token 10 , token 17 , right parenthesis , right parenthesisT1x=rotatedilatex,,−−,,directedangle,,