f(x)=x^2,g(x)=2^x求f[g(x)]= g[f(x)]=

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f(x)=x^2,g(x)=2^x求f[g(x)]= g[f(x)]=
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f(x)=x^2,g(x)=2^x求f[g(x)]= g[f(x)]=
f(x)=x^2,g(x)=2^x求f[g(x)]= g[f(x)]=

f(x)=x^2,g(x)=2^x求f[g(x)]= g[f(x)]=
f(g(x)=g^2(x)=(2^x)^2=4^x
g(f(x))=2^f(x)=2^(x^2)