Expression 7: left parenthesis, "h" left parenthesis, "c" minus 1 , right parenthesis StartFraction, log left parenthesis, "t" , right parenthesis Over log left parenthesis, "b" , right parenthesis , EndFraction , "h" left parenthesis, "c" minus 1 , right parenthesis "f" left parenthesis, "t" , right parenthesis , right parenthesishc−1logtlogb,hc−1ft
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 10001000
7
Expression 8: left parenthesis, "h" left parenthesis, "c" minus 2 , right parenthesis "t" , "h" left parenthesis, "c" minus 2 , right parenthesis StartFraction, log left parenthesis, "f" left parenthesis, "t" , right parenthesis , right parenthesis Over log left parenthesis, "b" , right parenthesis , EndFraction , right parenthesishc−2t,hc−2logftlogb
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 4040
8
Expression 9: left parenthesis, "h" left parenthesis, "c" minus 3 , right parenthesis StartFraction, log left parenthesis, "t" , right parenthesis Over log left parenthesis, "b" , right parenthesis , EndFraction , "h" left parenthesis, "c" minus 3 , right parenthesis StartFraction, log left parenthesis, "f" left parenthesis, "t" , right parenthesis , right parenthesis Over log left parenthesis, "b" , right parenthesis , EndFraction , right parenthesishc−3logtlogb,hc−3logftlogb
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 10001000
9
Expression 10: "h" left parenthesis, "x" , right parenthesis equals left brace, "x" equals 0 : 1 , right bracehx=x=0:1