f(x)=1/[log1/2(2x+1)]则f(x)的定义域为A.(-1/2,0)B.(-1/2,正无穷)C.(-1/2,0)∪(0,正无穷)D.(-1/2,2)
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![f(x)=1/[log1/2(2x+1)]则f(x)的定义域为A.(-1/2,0)B.(-1/2,正无穷)C.(-1/2,0)∪(0,正无穷)D.(-1/2,2)](/uploads/image/z/4511279-47-9.jpg?t=f%28x%29%3D1%2F%5Blog1%2F2%282x%2B1%29%5D%E5%88%99f%28x%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BAA.%28-1%2F2%2C0%29B.%28-1%2F2%2C%E6%AD%A3%E6%97%A0%E7%A9%B7%EF%BC%89C.%EF%BC%88-1%2F2%2C0%EF%BC%89%E2%88%AA%EF%BC%880%2C%E6%AD%A3%E6%97%A0%E7%A9%B7%EF%BC%89D.%EF%BC%88-1%2F2%2C2%29)
f(x)=1/[log1/2(2x+1)]则f(x)的定义域为A.(-1/2,0)B.(-1/2,正无穷)C.(-1/2,0)∪(0,正无穷)D.(-1/2,2)
f(x)=1/[log1/2(2x+1)]则f(x)的定义域为
A.(-1/2,0)
B.(-1/2,正无穷)
C.(-1/2,0)∪(0,正无穷)
D.(-1/2,2)
f(x)=1/[log1/2(2x+1)]则f(x)的定义域为A.(-1/2,0)B.(-1/2,正无穷)C.(-1/2,0)∪(0,正无穷)D.(-1/2,2)
2x+1>0且2x+1<>1,(-1/2,0)U(0,正无穷),选C