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若函数f(x)=x2+2(a-1)x+2在[4,+∞)上是增函数,则实数a的取值...
若函数f(x)=x2+2(a-1)x+2在[4,+∞)上是增函数,则实数a的取值范围是 .
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=
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下列各组函数中,f(x)与g(x)是同一函数的是
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