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(2007•天水)函数的自变量x的取值范围是A.x≥-1B.x≥-1C.x≠2D.x≥-1...
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(2007•天水)函数
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AABJRU5ErkJggg==
)
的自变量x的取值范围是( )
A.x≥-1
B.x≥-1
C.x≠2
D.x≥-1且x≠2
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