Expression 4: StartFraction, left parenthesis, "k" times "x" , right parenthesis Over "k" times left parenthesis, 1.0 negative "b" positive "b" times 0.1 , right parenthesis plus "x" , EndFractionk·xk·1.0−b+b·0.1+x
4
Expression 5: StartFraction, left parenthesis, "k" times "x" , right parenthesis Over "k" times left parenthesis, 1.0 negative "b" positive "b" times 1.0 , right parenthesis plus "x" , EndFractionk·xk·1.0−b+b·1.0+x