指数函数和对数函数1.已知函数f(x)=a的x方+b的图像经过点(1,3),且他的反函数f的-1次方(x)的图像过点(2,0)试确定f(x)的解析式2.当X取何值时,函数y=lgx/3×lgx/12有最小值?并求其最小值3.设函数f(x)=a
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![指数函数和对数函数1.已知函数f(x)=a的x方+b的图像经过点(1,3),且他的反函数f的-1次方(x)的图像过点(2,0)试确定f(x)的解析式2.当X取何值时,函数y=lgx/3×lgx/12有最小值?并求其最小值3.设函数f(x)=a](/uploads/image/z/31364-44-4.jpg?t=%E6%8C%87%E6%95%B0%E5%87%BD%E6%95%B0%E5%92%8C%E5%AF%B9%E6%95%B0%E5%87%BD%E6%95%B01.%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Da%E7%9A%84x%E6%96%B9%2Bb%E7%9A%84%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87%E7%82%B9%281%2C3%29%2C%E4%B8%94%E4%BB%96%E7%9A%84%E5%8F%8D%E5%87%BD%E6%95%B0f%E7%9A%84-1%E6%AC%A1%E6%96%B9%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E8%BF%87%E7%82%B9%EF%BC%882%2C0%EF%BC%89%E8%AF%95%E7%A1%AE%E5%AE%9Af%28x%29%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F2.%E5%BD%93X%E5%8F%96%E4%BD%95%E5%80%BC%E6%97%B6%2C%E5%87%BD%E6%95%B0y%3Dlgx%2F3%C3%97lgx%2F12%E6%9C%89%E6%9C%80%E5%B0%8F%E5%80%BC%3F%E5%B9%B6%E6%B1%82%E5%85%B6%E6%9C%80%E5%B0%8F%E5%80%BC3.%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3Da)
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