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∴在上是單調(diào)減函數(shù).在上是單調(diào)增函數(shù). 查看更多

 

題目列表(包括答案和解析)

函數(shù),其中為實(shí)數(shù),當(dāng)時(shí),上是(       )

A.增函數(shù)    B.減函數(shù)  C.常數(shù)    D.無(wú)法確定函數(shù)的單調(diào)性

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函數(shù),且具有以下性質(zhì):①;

;③在[0,2]上為單調(diào)增函數(shù),則對(duì)于下述命題:

(1)的圖象關(guān)于原點(diǎn)對(duì)稱 

(2)為周期函數(shù)且最小正周期是4

(3)在區(qū)間[2,4]上是減函數(shù)

正確命題的個(gè)數(shù)為                                                                                                 

A.0個(gè)                        B.1個(gè)                       C.2個(gè)                        D.3個(gè)

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函數(shù),且具有以下性質(zhì):①

;③在[0,2]上為單調(diào)增函數(shù),則對(duì)于下述命題:

(1)的圖象關(guān)于原點(diǎn)對(duì)稱 

(2)為周期函數(shù)且最小正周期是4

(3)在區(qū)間[2,4]上是減函數(shù)

正確命題的個(gè)數(shù)為                                                                                                 

A.0個(gè)                       B.1個(gè)                        C.2個(gè)                       D.3個(gè)

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函數(shù),其單調(diào)性是

[  ]

A.在[0,p ]上是增函數(shù),在[p ,2p ]上是減函數(shù)

B.在上是增函數(shù),在,上分別是減函數(shù)

C.在[p ,2p ]上是增函數(shù),在[0,p ]上是減函數(shù)

D.在是增函數(shù),在上是減函數(shù)

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函數(shù),其單調(diào)性是

[  ]

A.在[0,p ]上是增函數(shù),在[p 2p ]上是減函數(shù)

B.在上是增函數(shù),在,上分別是減函數(shù)

C.在[p ,2p ]上是增函數(shù),在[0,p ]上是減函數(shù)

D.在是增函數(shù),在上是減函數(shù)

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