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函数y=f(x)在定义域(-,3)内可导,其图象如图所示.记y=f(x)的导函数...
函数y=f(x)在定义域(-
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,3)内可导,其图象如图所示.记y=f(x)的导函数为y=f'(x),则不等式f'(x)≤0的解集为( )
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A.[-
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,1]∪[2,3)
B.[-1,
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]∪[
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,
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]
C.[-
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,
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]∪[1,2)
D.(-
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,-
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]∪[
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,
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]∪[
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,3)
考点分析:
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=(2,1),
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|=
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