題目列表(包括答案和解析)
若奇函數(shù)在[1,3]上為增函數(shù),且有最小值7,則它在[-3,-1]上( )
A.是減函數(shù),有最小值-7 B.是增函數(shù),有最小值-7
C.是減函數(shù),有最大值-7 D.是增函數(shù),有最大值-7
若奇函數(shù)在[1,3]上為增函數(shù),且有最小值7,則它在[-3,-1]上
A.是減函數(shù),有最小值-7 B.是增函數(shù),有最小值-7
C.是減函數(shù),有最大值-7 D.是增函數(shù),有最大值-7
奇函數(shù)在區(qū)間[3,7]上是增函數(shù),且最小值為-5,那么在區(qū)間[-7,-3]
(A)是增函數(shù)且最小值為5 (B)是增函數(shù)且最大值為5
(C)是減函數(shù)且最小值為5 (D)是減函數(shù)且最大值為5
A.是增函數(shù)且最小值為5 | B.是增函數(shù)且最大值為5 |
C.是減函數(shù)且最小值為5 | D.是減函數(shù)且最大值為5 |
奇函數(shù)在區(qū)間[3,7]上是增函數(shù),且最小值為-5,那么在區(qū)間[-7,-3]上( )
(A)是增函數(shù)且最小值為5 (B)是增函數(shù)且最大值為5
(C)是減函數(shù)且最小值為5 (D)是減函數(shù)且最大值為5
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