且.當(dāng)最小時(shí).最大. 查看更多

 

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當(dāng)x=時(shí),函數(shù)y=f(x)=Asin(x+φ)(A>0)取得最小值,則函數(shù)y=f是(    )

A.奇函數(shù)且當(dāng)x=時(shí)取得最大值     B.偶函數(shù)且圖象關(guān)于點(diǎn)(π,0)對(duì)稱

C.奇函數(shù)且當(dāng)x=時(shí)取得最小值     D.偶函數(shù)且圖象關(guān)于點(diǎn)對(duì)稱

 

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當(dāng)x=時(shí),函數(shù)y=f(x)=Asin(x+φ)(A>0)取得最小值,則函數(shù)y=f是(   )

A.奇函數(shù)且當(dāng)x=時(shí)取得最大值 B.偶函數(shù)且圖象關(guān)于點(diǎn)(π,0)對(duì)稱
C.奇函數(shù)且當(dāng)x=時(shí)取得最小值 D.偶函數(shù)且圖象關(guān)于點(diǎn)對(duì)稱

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當(dāng)x=時(shí),函數(shù)y=f(x)=Asin(x+φ)(A>0)取得最小值,則函數(shù)y=f是(   )
A.奇函數(shù)且當(dāng)x=時(shí)取得最大值B.偶函數(shù)且圖象關(guān)于點(diǎn)(π,0)對(duì)稱
C.奇函數(shù)且當(dāng)x=時(shí)取得最小值D.偶函數(shù)且圖象關(guān)于點(diǎn)對(duì)稱

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.(本小題滿分12分)設(shè)函數(shù)的定義域?yàn)镽,當(dāng)時(shí),,且對(duì)任意實(shí)數(shù),都有成立,數(shù)列滿足
(1)求的值;
(2)若不等式對(duì)一切均成立,求的最大值.

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.(本小題滿分12分)設(shè)函數(shù)的定義域?yàn)镽,當(dāng)時(shí),,且對(duì)任意實(shí)數(shù),都有成立,數(shù)列滿足

(1)求的值;

(2)若不等式對(duì)一切均成立,求的最大值.

 

 

 

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