函数g(x)=e的x次方,x≤0,g(x)=lnx,x＞0,则g(g(0.5))=

函数g(x)=e的x次方,x≤0,g(x)=lnx,x＞0,则g(g(0.5))=
函数g(x)=e的x次方,x≤0,g(x)=lnx,x＞0,则g(g(0.5))=

函数g(x)=e的x次方,x≤0,g(x)=lnx,x＞0,则g(g(0.5))=
0.5>0,ln0.5

g(0.5)=ln0.5≤0
g(g(0.5))=e^(ln0.5)=0.5

g(0.5)=ln0.5＜0
∴g(g(0.5))=e^（ln0.5）=0.5

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