(1)已知函数f(x+1)与函数y=3^√x-1(x∈r)的图像关于y=x对称,则f(2)的值为___________(注:"3^√"为立方根符号)(2)过点M(1,2)的直线l将圆(x-2)^2+y^2=9分成两段弧,其中的劣弧最短时,l的方程为_______(3)已知球的
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![(1)已知函数f(x+1)与函数y=3^√x-1(x∈r)的图像关于y=x对称,则f(2)的值为___________(注:](/uploads/image/z/12838036-4-6.jpg?t=%281%29%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%2B1%29%E4%B8%8E%E5%87%BD%E6%95%B0y%3D3%5E%E2%88%9Ax-1%28x%E2%88%88r%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%85%B3%E4%BA%8Ey%3Dx%E5%AF%B9%E7%A7%B0%2C%E5%88%99f%282%29%E7%9A%84%E5%80%BC%E4%B8%BA___________%28%E6%B3%A8%3A%223%5E%E2%88%9A%22%E4%B8%BA%E7%AB%8B%E6%96%B9%E6%A0%B9%E7%AC%A6%E5%8F%B7%29%282%29%E8%BF%87%E7%82%B9M%281%2C2%29%E7%9A%84%E7%9B%B4%E7%BA%BFl%E5%B0%86%E5%9C%86%28x-2%29%5E2%2By%5E2%3D9%E5%88%86%E6%88%90%E4%B8%A4%E6%AE%B5%E5%BC%A7%2C%E5%85%B6%E4%B8%AD%E7%9A%84%E5%8A%A3%E5%BC%A7%E6%9C%80%E7%9F%AD%E6%97%B6%2Cl%E7%9A%84%E6%96%B9%E7%A8%8B%E4%B8%BA_______%283%29%E5%B7%B2%E7%9F%A5%E7%90%83%E7%9A%84)
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