已知函数F(X)的定义域是0到正无穷,且满足F(XY)=F(X)+F(Y),F(1/2)=1,如果对于0<X<Y,都有F(X)>F(Y)1.求F(1)2.解不等式F(-X)+F(3-X)≥-2
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![已知函数F(X)的定义域是0到正无穷,且满足F(XY)=F(X)+F(Y),F(1/2)=1,如果对于0<X<Y,都有F(X)>F(Y)1.求F(1)2.解不等式F(-X)+F(3-X)≥-2](/uploads/image/z/3017705-41-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0F%28X%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E6%98%AF0%E5%88%B0%E6%AD%A3%E6%97%A0%E7%A9%B7%2C%E4%B8%94%E6%BB%A1%E8%B6%B3F%28XY%29%3DF%28X%29%2BF%28Y%29%2CF%281%2F2%29%3D1%2C%E5%A6%82%E6%9E%9C%E5%AF%B9%E4%BA%8E0%EF%BC%9CX%EF%BC%9CY%2C%E9%83%BD%E6%9C%89F%28X%29%EF%BC%9EF%28Y%291.%E6%B1%82F%281%292.%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8FF%28-X%29%2BF%283-X%29%E2%89%A5-2)
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