Expression 7: "g" equals left brace, "x" greater than 0 : "t" minus "t" times left parenthesis, 1 minus "r" , right parenthesis Superscript, "x" , Baseline , right braceg=x>0:t−t·1−rx
7
Expression 8: "y" equals left brace, "x" greater than "z" : "t" , right bracey=x>z:t
8
Expression 9: "x" equals "z"x=z
equals=
71.7 5 3 6 4 6 8 4 9 671.7536468496
9
Expression 10: StartFraction, "z" Over "f" , EndFractionzf