已知函数f(x)=x的k次方+b(常数k,b属于R)的图像过点(4,2),(16,4)两点 (1)求f(x)的解析式 (2)记f(x)的反...已知函数f(x)=x的k次方+b(常数k,b属于R)的图像过点(4,2),(16,4)两点 (1)求f(x)的解析式 (2)记f(x)的反函
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![已知函数f(x)=x的k次方+b(常数k,b属于R)的图像过点(4,2),(16,4)两点 (1)求f(x)的解析式 (2)记f(x)的反...已知函数f(x)=x的k次方+b(常数k,b属于R)的图像过点(4,2),(16,4)两点 (1)求f(x)的解析式 (2)记f(x)的反函](/uploads/image/z/5220855-63-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dx%E7%9A%84k%E6%AC%A1%E6%96%B9%2Bb%28%E5%B8%B8%E6%95%B0k%2Cb%E5%B1%9E%E4%BA%8ER%29%E7%9A%84%E5%9B%BE%E5%83%8F%E8%BF%87%E7%82%B9%284%2C2%29%2C%2816%2C4%29%E4%B8%A4%E7%82%B9+%281%29%E6%B1%82f%28x%29%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F+%282%29%E8%AE%B0f%28x%29%E7%9A%84%E5%8F%8D...%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dx%E7%9A%84k%E6%AC%A1%E6%96%B9%2Bb%28%E5%B8%B8%E6%95%B0k%2Cb%E5%B1%9E%E4%BA%8ER%29%E7%9A%84%E5%9B%BE%E5%83%8F%E8%BF%87%E7%82%B9%284%2C2%29%2C%2816%2C4%29%E4%B8%A4%E7%82%B9+%281%29%E6%B1%82f%28x%29%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F+%282%29%E8%AE%B0f%28x%29%E7%9A%84%E5%8F%8D%E5%87%BD)
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