已知S={y|y=2x},T={x|y=lg(x-1)},则S∩T=( )A.(0,+∞)B.[0,+∞)C.(1,+∞)D.[1,+∞)
题型:单选题难度:一般来源:不详
已知S={y|y=2x},T={x|y=lg(x-1)},则S∩T=( )A.(0,+∞) | B.[0,+∞) | C.(1,+∞) | D.[1,+∞) |
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答案
由已知易得S={y∈R|y≥0}, T={x∈R|x>1}, ∴S∩T=(1,+∞). 故选C. |
举一反三
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