運算式 19: StartFraction, "f" Subscript, "y" , Baseline left parenthesis, "x" , right parenthesis Over 1 minus "b" plus "b" StartNestedFraction, "f" Subscript, "E" , Baseline left parenthesis, "x" , right parenthesis NestedOver .5 , EndNestedFraction , EndFraction minus 1.5fyx1−b+bfEx.5−1.5
19
運算式 20: "b" equals 1b=1
00
11
20
隱藏的 標籤 left parenthesis, 0 , "b" minus 3.5 , right parenthesis0,b−3.5
標籤
equals=
left parenthesis, 0 , negative 2.5 , right parenthesis0,−2.5
21
運算式 22: left parenthesis, 0 , "t" minus 3.5 , right parenthesis0,t−3.5
定義域 t 最小值： 00
less than or equal to "t" less than or equal to≤t≤
