函数 (11 11:33:25)不然看不懂啊!1.设函数f(x)=2x-1,函数g(x)=4x+3,求f[g(x)], g[f(x)]2.已知f(x)=ax+b,若f(0)=1,f(x+1)=f(x)+3,求f(x)3.已知g(x)=1/3x+1,f[g(x)]=1-X^2/X^2 X不
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![函数 (11 11:33:25)不然看不懂啊!1.设函数f(x)=2x-1,函数g(x)=4x+3,求f[g(x)], g[f(x)]2.已知f(x)=ax+b,若f(0)=1,f(x+1)=f(x)+3,求f(x)3.已知g(x)=1/3x+1,f[g(x)]=1-X^2/X^2 X不](/uploads/image/z/1170257-41-7.jpg?t=%E5%87%BD%E6%95%B0+%2811+11%3A33%3A25%29%E4%B8%8D%E7%84%B6%E7%9C%8B%E4%B8%8D%E6%87%82%E5%95%8A%211.%E8%AE%BE%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%3D2x-1%2C%E5%87%BD%E6%95%B0g%EF%BC%88x%EF%BC%89%3D4x%2B3%2C%E6%B1%82f%5Bg%EF%BC%88x%EF%BC%89%5D%2C%26%23160%3B+g%5Bf%EF%BC%88x%EF%BC%89%5D2.%E5%B7%B2%E7%9F%A5f%EF%BC%88x%EF%BC%89%3Dax%2Bb%2C%E8%8B%A5f%EF%BC%880%EF%BC%89%3D1%2Cf%EF%BC%88x%2B1%EF%BC%89%3Df%EF%BC%88x%EF%BC%89%2B3%2C%E6%B1%82f%EF%BC%88x%EF%BC%893.%E5%B7%B2%E7%9F%A5g%EF%BC%88x%EF%BC%89%3D1%2F3x%2B1%2Cf%5Bg%EF%BC%88x%EF%BC%89%5D%3D1-X%5E2%2FX%5E2%26%23160%3B%26%23160%3B+X%E4%B8%8D)
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