Expression 5: 0.8 StartFraction, 1 plus negative "e" Superscript, negative "s" "x" , Baseline Over 1 minus "e" Superscript, negative "s" , Baseline , EndFraction left brace, 0 less than "x" less than 1 , right brace0.81+−e−sx1−e−s0<x<1
5
Expression 6: "s" equals 4.0 5s=4.05
22
66
6
Expression 7: 0.8 StartFraction, 1 plus negative "e" Superscript, negative "s" Subscript, 2 , Baseline "x" Superscript, "n" , Baseline , Baseline Over 1 minus "e" Superscript, negative "s" Subscript, 2 , Baseline , Baseline , EndFraction left brace, 0 less than "x" less than 1 , right brace0.81+−e−s2xn1−e−s20<x<1