le D : (P) = P [ (149) / + ] O 1/P 1 1 f(p) = p [ (+P) /-] Show that Show f(p) is decreasing d (P) = p [1-(1-d) /] g(p) that g(p) is an increasing Lac.

i(p)=p[(1+i)1/p1]f(p)=p[(1+i)1/p1] show that f(p) is decreasing d(p)=g(p)p[1(1d)1/p] show that g(p) is an increasing frc