已知二次函数f(x)=x^2+2bx+c,(b,c属于R),满足f(1)=0且关于x的方程f(x)+x+b=0的两个实数根分别在区间(-3,-2),(0,1)若函数F(x)=logbf(x)在区间(-1-c,1-c)上.具有单调性,求c的范围.若f(x)
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![已知二次函数f(x)=x^2+2bx+c,(b,c属于R),满足f(1)=0且关于x的方程f(x)+x+b=0的两个实数根分别在区间(-3,-2),(0,1)若函数F(x)=logbf(x)在区间(-1-c,1-c)上.具有单调性,求c的范围.若f(x)](/uploads/image/z/750617-17-7.jpg?t=%E5%B7%B2%E7%9F%A5%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0f%28x%29%3Dx%5E2%2B2bx%2Bc%2C%EF%BC%88b%2Cc%E5%B1%9E%E4%BA%8ER%EF%BC%89%2C%E6%BB%A1%E8%B6%B3f%281%29%3D0%E4%B8%94%E5%85%B3%E4%BA%8Ex%E7%9A%84%E6%96%B9%E7%A8%8Bf%28x%29%2Bx%2Bb%3D0%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%95%B0%E6%A0%B9%E5%88%86%E5%88%AB%E5%9C%A8%E5%8C%BA%E9%97%B4%28-3%2C-2%29%2C%280%2C1%29%E8%8B%A5%E5%87%BD%E6%95%B0F%28x%29%3Dlogbf%EF%BC%88x%29%E5%9C%A8%E5%8C%BA%E9%97%B4%EF%BC%88-1-c%2C1-c%29%E4%B8%8A.%E5%85%B7%E6%9C%89%E5%8D%95%E8%B0%83%E6%80%A7%2C%E6%B1%82c%E7%9A%84%E8%8C%83%E5%9B%B4.%E8%8B%A5f%28x%29)
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