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(2007•泰州)函数y=中,自变量x的取值范围是A.x≥-1B.-1≤x≤2C.-1≤x...
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(2007•泰州)函数y=
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)
中,自变量x的取值范围是( )
A.x≥-1
B.-1≤x≤2
C.-1≤x<2
D.x<2
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