B.當(dāng)時.若b⊥.則 查看更多

 

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若當(dāng)時,函數(shù)取得最小值,則函數(shù)是(   )

A.奇函數(shù)且圖像關(guān)于點對稱          B.偶函數(shù)且圖像關(guān)于點對稱

C.奇函數(shù)且圖像關(guān)于直線對稱         D.偶函數(shù)且圖像關(guān)于點對稱

 

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若當(dāng)時,函數(shù)取得最小值,則函數(shù)是(   )

A.奇函數(shù)且圖像關(guān)于點對稱
B.偶函數(shù)且圖像關(guān)于直線對稱
C.奇函數(shù)且圖像關(guān)于直線對稱
D.偶函數(shù)且圖像關(guān)于點對稱

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若當(dāng)時,函數(shù)取得最小值,則函數(shù)是(   )

A.奇函數(shù)且圖像關(guān)于點對稱 B.偶函數(shù)且圖像關(guān)于點對稱
C.奇函數(shù)且圖像關(guān)于直線對稱 D.偶函數(shù)且圖像關(guān)于點對稱

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,當(dāng)時,,若在區(qū)間內(nèi),有兩個零點,則實數(shù)m的取值范圍是 (      )
A.B.C.D.

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若當(dāng)時,函數(shù)取得最小值,則函數(shù)是(   )
A.奇函數(shù)且圖像關(guān)于點對稱
B.偶函數(shù)且圖像關(guān)于直線對稱
C.奇函數(shù)且圖像關(guān)于直線對稱
D.偶函數(shù)且圖像關(guān)于點對稱

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