已知
是定义在R上的偶函数,且在区间
上单调递减,设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe1abd3d67945dbdafaa8e57765c77d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d0b1d1c8b87091198fd8451539e4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc98ce068bac8b86b1157cc5a5d37ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3384ede151ed792b2c723fb52a8ebd4b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-08-20 18:57:33
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单选题
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适中
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解题方法
【推荐1】已知
,
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7285658eded3aea750f5d3a0b1a571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b14a2a507068a12939cd72686bc607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7511d359026d8d6b15fd5e9ea2d69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】下列命题中不正确命题的个数是( )
①已知a,b是实数,则“
”是“
”的充分而不必要条件;
②
,使
;
③若
,则
;
④若角
的终边在第一象限,则
的取值集合为
.
①已知a,b是实数,则“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a02453451985554031da21ac70f3f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7407d7bbaaed39baccb4db94e4a9ff32.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4db4774dcee98eae6ddc2def943187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a062b85e3b4aa9e7522c4e43b3d8f0c.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e2ef7f43ec5875df09ef716d650721a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee2eeb664c3cb1a7034a4c11d91b1a9.png)
④若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e978799e962e6451dafad7236b7568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c6fed9c3cf2c00ba1823c3f0a05615.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐3】已知奇函数
在
上是减函数,若
,
,
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339b85cca0100adc23472c143f9a5a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c5fd9f6dc3e9047eee2d3be5948dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9553c48ef863302530f597c452459984.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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适中
(0.65)
【推荐1】已知
,
,
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c688b705867b26ac2df65176e5a84f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4619c231c067574112ae4e8140c9d680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccd306cb9a9db41e6f75cc59a503c6b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】已知
,则
之间的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52d73941fa9a99f8c5af66fd8c9068f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】设
是定义在
上的函数,其导函数为
,满足
,若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a2b61f899e82296324b00403e15819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a602d2a6602f91b55eb6934d10139370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf71c50010c2dc0ed2a67f0e5c24adf7.png)
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您最近一年使用:0次
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【推荐2】已知函数
满足
,且当
时,
成立,若
,则
的大小关系是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62826e5114ece563439421509970dc12.png)
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您最近一年使用:0次