1. Definitions Recall the cost minimization condition let x>0, then set Lagrangian (2x)=wx-4(f(x)-q) We got w=nVf(X) he What a is? lecture 3 for Chu Kechen Honors Collegelecture3 for Chu Kechen Honors College 1.Definitions ▪ Recall the cost minimization condition, let x>0, then set Lagrangian: ▪ We got: see the fig. ▪ What is? L ( , ) ( ( ) )   x wx x = − − f q  f ( ) w x =  