设f(x)=x/x^2+1,则f(1/x)=( ) A.f(x) B.-f(x) C.1设f(x)=x/x^2+1,则f(1/x)=( )A.f(x)B.-f(x)C.1/f(x)D.1/f(-x)
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![设f(x)=x/x^2+1,则f(1/x)=( ) A.f(x) B.-f(x) C.1设f(x)=x/x^2+1,则f(1/x)=( )A.f(x)B.-f(x)C.1/f(x)D.1/f(-x)](/uploads/image/z/14618550-30-0.jpg?t=%E8%AE%BEf%28x%29%3Dx%2Fx%5E2%2B1%2C%E5%88%99f%281%2Fx%29%3D%28+%29+A.f%28x%29+B.-f%28x%29+C.1%E8%AE%BEf%28x%29%3Dx%2Fx%5E2%2B1%2C%E5%88%99f%281%2Fx%29%3D%28+%29A.f%28x%29B.-f%28x%29C.1%2Ff%28x%29D.1%2Ff%28-x%29)
设f(x)=x/x^2+1,则f(1/x)=( ) A.f(x) B.-f(x) C.1设f(x)=x/x^2+1,则f(1/x)=( )A.f(x)B.-f(x)C.1/f(x)D.1/f(-x)
设f(x)=x/x^2+1,则f(1/x)=( ) A.f(x) B.-f(x) C.1
设f(x)=x/x^2+1,则f(1/x)=( )
A.f(x)
B.-f(x)
C.1/f(x)
D.1/f(-x)
设f(x)=x/x^2+1,则f(1/x)=( ) A.f(x) B.-f(x) C.1设f(x)=x/x^2+1,则f(1/x)=( )A.f(x)B.-f(x)C.1/f(x)D.1/f(-x)
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