设g(x)=ex,x小于等于0,则g(g(1/2))=Inx,x〉0

Question

设g(x)=ex,x小于等于0,则g(g(1/2))=____ Inx,x〉0

Answer 1

g(1/2) = ln(1/2) < ln 1 = 0
所以 g(g(1/2)) = e^(ln(1/2)) = 1/2