已知函数f(x)=x+sinx,且f(y2-2y+3)+f(x2-4x+1)≤0.则当y≥1时,y/(x+1)的取值范围是?

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已知函数f(x)=x+sinx,且f(y2-2y+3)+f(x2-4x+1)≤0.则当y≥1时,y/(x+1)的取值范围是?
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已知函数f(x)=x+sinx,且f(y2-2y+3)+f(x2-4x+1)≤0.则当y≥1时,y/(x+1)的取值范围是?
已知函数f(x)=x+sinx,且f(y2-2y+3)+f(x2-4x+1)≤0.则当y≥1时,y/(x+1)的取值范围是?

已知函数f(x)=x+sinx,且f(y2-2y+3)+f(x2-4x+1)≤0.则当y≥1时,y/(x+1)的取值范围是?

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