[问答题]设f(x)=ex,f[g(x)]=1-x2,则g(x)=--------------------.
[问答题]设f(x)=ex,f[g(x)]=1-x2,则g(x)=------------.
[主观题]设f (x)=x2,g(x)=ex,则f [g(x)]=_________.
设f(x)=e^x,f[g(x)]=1-x^2则g(x)=设$$f(x)=e^{x},f[g(x)]=1-x^2$$则$$g(x)$$$$=$$
设F(x)=f(x)g(x),其中函数f(x),g(x)在(-∞,+∞)内满足以下条件:f′(x)=g(x),g′(x)=f(x),且f(0)=0,f(x)+g
[试题]设f(x)=3x,g(x)=x2,则函数g[f(x)]-f[g(x)]=_______________.
设函数f(x)=(1)/(x),g(x)=1-x,则f[g(x)]=A. 1-$\frac{1}{x}$B. 1+$\frac{1}{x}$C. $\frac{
[试题]设函数f(x)=lnx,g(x)=e2x+1,则f[g(x)]=______。
设函数f(x)={2,|x|<1,)0,|x|≥1,).求f[g(x)],g[f(x)].设函数f(x)=$\left\{\begin{array}{l}{2,
设f(x)=arctan x,g(x)=sin (2x+pi )/(3),则g[f(-1)]= .设$f\left(x\right)=arc\ta