Hem yarı-dışbükey hem de yarı-içbükey olan bir fonksiyon yarı-doğrusaldır.
- A function that is both quasiconvex and quasiconcave is quasilinear.
... almost as big as the TV or screen you're looking at. ...
... deficits, almost that large. So that's the next area I'm different than President Bush. ...