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若f(x)=ex+ln(x+1)(其中常数e为自然对数的底数),则f′(0)= ...
若f(x)=ex+ln(x+1)(其中常数e为自然对数的底数),则f′(0)= .
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设f′(x)是函数f(x)的导函数,y=f′(x)的图象如图所示,则y=f(x)的图象最有可能的是( )
A.
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B.
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C.
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D.
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若
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上是减函数,则b的取值范围是( )
A.[-1,+∞)
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C.(-∞,-1]
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2=8x的焦点相同,离心率为
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B.
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C.
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D.
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A.2
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