下列各列函数是相同函数是:( ) (A)f(x)=x+1,(g)x=xˆ2-1/x-1 (B)f(x)=x,g(x)=(根号x)&(C)f(x)=sinˆ2 x+cosˆ2 x,g(x)=1 (D)f(x)=INxˆ2,g(x)=2 INx
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![下列各列函数是相同函数是:( ) (A)f(x)=x+1,(g)x=xˆ2-1/x-1 (B)f(x)=x,g(x)=(根号x)&(C)f(x)=sinˆ2 x+cosˆ2 x,g(x)=1 (D)f(x)=INxˆ2,g(x)=2 INx](/uploads/image/z/4956939-27-9.jpg?t=%E4%B8%8B%E5%88%97%E5%90%84%E5%88%97%E5%87%BD%E6%95%B0%E6%98%AF%E7%9B%B8%E5%90%8C%E5%87%BD%E6%95%B0%E6%98%AF%3A%28+%29+%28A%29f%28x%29%3Dx%2B1%2C%28g%29x%3Dx%26%23710%3B2-1%2Fx-1+%28B%29f%28x%29%3Dx%2Cg%28x%29%3D%28%E6%A0%B9%E5%8F%B7x%29%26%28C%29f%28x%29%3Dsin%26%23710%3B2+x%2Bcos%26%23710%3B2+x%2Cg%28x%29%3D1+%28D%29f%28x%29%3DINx%26%23710%3B2%2Cg%28x%29%3D2+INx)
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