f(x)=|x-1|-|x|
设f(x)=1-x,(x
f(x)=x/(x^2+1)
F(X)满足F(x)+2f(x分之1)=3X,求f(x)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)?
设函数f(x)满足f(x)+2f(1/x)=x,求f(x)
已知f(x)满足2f(x)+f(-x)=-3x+1,求f(x)
设函数f(x)=log2(-x),g(x)=x+1,F(x)={g(x),f(x)大于等于g(x);f(x),f(x)小
f(x)=x(x-1)(x-2)(x-3)(x-4) f'(1)=?
已知函数f(x)=2x+1,x>=0;f(x)=|x|,x
设函数f(x)=x-[x],x≥0,f(x+1),x
f x ={x(1-x)x≥0,x(1+x)x