運算式 4: "f" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis equals left parenthesis, 10 "t" minus 5 , sin left parenthesis, 10 "t" minus 5 , right parenthesis , right parenthesisf1t=10t−5,sin10t−5
4
運算式 5: "f" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis equals StartRoot, 5 , EndRoot left parenthesis, cos left parenthesis, negative 2 pi "t" minus StartFraction, pi Over 2 , EndFraction , right parenthesis , sin left parenthesis, negative 2 pi "t" minus StartFraction, pi Over 2 , EndFraction , right parenthesis , right parenthesis plus left parenthesis, 0 , 5 , right parenthesisf2t=5cos−2πt−π2,sin−2πt−π2+0,5
5
運算式 6: "l" Subscript, "e" "r" "p" , Baseline left parenthesis, "f" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis , "f" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis , "z" , right parenthesislerpf1t,f2t,z
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
