Expression 3: "f" Subscript, "H" "a" "l" "f" "S" "i" "n" "e" , Baseline left parenthesis, "x" , right parenthesis equals sine left parenthesis, StartFraction, left parenthesis, 1 minus "x" , right parenthesis pi Over 2 , EndFraction , right parenthesisfHalfSinex=sin1−xπ2
3
Expression 4: "f" Subscript, "L" "i" "n" "e" "a" "r" , Baseline left parenthesis, "x" , right parenthesis equals 1 minus "x"fLinearx=1−x
4
Expression 5: "f" Subscript, "S" "i" "n" "e" , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, sin left parenthesis, left parenthesis, 0.5 minus "x" , right parenthesis pi , right parenthesis plus 1 Over 2 , EndFractionfSinex=sin0.5−xπ+12
5
Expression 6: "f" Subscript, "S" "q" "u" "a" "r" "e" "d" , Baseline left parenthesis, "x" , right parenthesis equals left parenthesis, 1 minus "x" , right parenthesis squaredfSquaredx=1−x2