设f(x)={x^2,/x/>=1;x,/x/
设f(x)=1-x,(x
设函数f(x)满足f(x)+2f(1/x)=x,求f(x)
设f(x-1)={-sinx/x,x>0;2,x=0;x-1,x
设f(x)=x(x+1)(x+2).(x+100),则f '(0)=
设函数f(x)=2x-1 (x
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
设函数f(x)=x-[x],x≥0,f(x+1),x
设f(x)+2f(1/x)=2x+1,则f(x)=
设函数f(x)={x^2+1(x>=0) ,-2x(x
设f (x)={2x+1(x≥0),x²+4(x
设函数f(x)={(x-2)2,x>1:x,-1≤x≥1:x+1,x
设函数f(x)=x^2