$\lambda$

$f^{\mathrm{<mo>\; *\; </mo>}}\left(x\right)$

$\lambda =0.4$

$f^{*}\left(x\right)=0$

$\lambda =0.7$

$f^{*}\left(x\right)=x$

$\lambda =0.8$

$f^{*}\left(x\right)=0$

$\lambda =0.99$

$f^{*}\left(x\right)={\left(x-2995.73\right)}_{+}$