已知函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6cdff7b72915008ae12cefda07edaa.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
更新时间:2024-06-09 23:27:59
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相似题推荐
单选题
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适中
(0.65)
名校
【推荐2】已知
又
,对任意的
均有
成立,且存在
使
,方程
在
上存在唯一实数解,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f3dcce6de855d4c74908b90835c382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcd0087e957894658cb19c31c5f4d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc06c8cdeeabe650b05b5803bc0bf518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035102efe7998871687c6ea0561dd759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d8f824c2e65697997e11cac0a09534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐1】若函数
在区间
上单调递增,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5beaa08e78b69f1826534e45a9b2da45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】已知函数
的一个零点是
,且
在
上单调,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621a45631611ba0384316c487006ecd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2b1b1f98b7b2c67565635cf080a47d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】设当
时,函数
的值为其最大值的
倍,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5832df51f7e9f83bdd534788ec773bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b363797455e171e5dff9193eb28cc9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐3】如图,在等腰梯形
中,
,
,
,
,点
是线段
上一点,且满足
,动点
在以
为圆心的半径为
的圆上运动,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e2a44d05b1d387150c4b359e021ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8195e199ac197c36fcfeea057075743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2f4db3ce8ce5c736a8c6dd08e74a54.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
【推荐1】将函数
的图象向右平移
(
)个单位长度,得到函数
的图象,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01f6c471075d986e04526aeafb14a950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04b2fa62cb0e22d7268848987abc0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008457f661e0aaeb35f0d7ddef1981e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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适中
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解题方法
【推荐2】已知函数
在区间
上是增函数,且在区间
上恰好取得一次最大值,则
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc00f42c36323e34e05050bef5bae973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e01d7934eb8569ea95295a6a12853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次