Expression 3: "c" Subscript, "o" "l" "o" "r" "s" , Baseline equals left bracket, rgb left parenthesis, 1 , 0 , 0 , right parenthesis , rgb left parenthesis, 0 , 350 , 350 , right parenthesis , right bracketcolors=rgb1,0,0,rgb0,350,350
3
Expression 4: left bracket, polygon left parenthesis, negative 4 times left bracket, left parenthesis, 1 , 0 , right parenthesis , left parenthesis, 2 , 0 , right parenthesis , left parenthesis, 1.5 , 1 , right parenthesis , right bracket , right parenthesis , polygon left parenthesis, negative 2.5 times left bracket, left parenthesis, 1 , 0 , right parenthesis , left parenthesis, 2 , 0 , right parenthesis , left parenthesis, 1.5 , 1 , right parenthesis , right bracket , right parenthesis , right bracketpolygon−4·1,0,2,0,1.5,1,polygon−2.5·1,0,2,0,1.5,1