已知函数
.
(1)若
,当
时,函数
在
处的切线
也是
的切线,求
的值;
(2)当
时,
和
有相同的最小值,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1e5ae0aff60562ac6e64282174128c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12238782160cd0508bc461c8ddf4b1b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a03a381e5f366074d142b39e0089be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1d39c2d796bd7dba6c038197d394bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高三上·四川达州·开学考试 查看更多[2]
更新时间:2022-09-06 06:57:34
|
相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2b1460629ec213a3c18b68e11f3736.png)
(1)当
时,求函数
在点
处的切线方程;
(2)若函数
在
上的图象与直线
总有两个不同交点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2b1460629ec213a3c18b68e11f3736.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1c8ce66eb064f103757590ebea2945.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e2050bf6786250f868d007124b8485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc22a0047b784150ca07561fc0bdaab.png)
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较难
(0.4)
名校
【推荐2】已知函数
,
.
(1)当
时,求
在
处的切线方程;
(2)设函数
,若
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0f4e81bdfe50d56c87c907df1abe4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cd909063df21cc2a19220b3d320c35.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c57dd356779331363da2d18226230d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04bd9759565e4cd93839a2ce2b31b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
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(0.4)
【推荐3】已知函数
.
(1)当
时,求在点
处的切线方程;
(2)若函数
在
上单调递增,求实数
的取值范围;
(3)当
时,讨论函数
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79070c8de6d379f677ae1a198a87892.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2af774a1848449d517639962875d53a.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cd57d7c4ce652ab9571b04dab4ec99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e92a925d9fdb33356667ac63dc88cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35be92b1df0ec8cb8a69b4724c7f382c.png)
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(0.4)
解题方法
【推荐1】已知函数
.
(1)若曲线
在点
处的切线方程为
,求
的值;
(2)当
时,
(
)在
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dcd34f1e971add22851eea91eeb23f.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e525649f953413e58e11514db55c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45720146d7305d51d73192b45436e865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58119f48aa8860923d1f13dd78a17c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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解题方法
【推荐2】已知函数
(
为常数)的图象与
轴交于点
,曲线
在点
处切线斜率为-1.
(1)求a的值及函数
的极值;
(2)证明:当
时,
;
(3)证明:对任意给出的正数c,总存在
,使得当
时恒有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef96ff936eb415b1f8fe6b9166d8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求a的值及函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b532103b14e4bdb01358975944d13c53.png)
(3)证明:对任意给出的正数c,总存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ccf3d5db732b554c3f91e27a6e0c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657ee7f126d65319f2f484e761e364a1.png)
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解答题
|
较难
(0.4)
【推荐3】函数
在
处的切线斜率为
.
(1)讨论函数
的单调性;
(2)设
,
,对任意的
,存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a9711abc71b1b4afbeeb3da0409148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610c2926e1cd54d17d3ab0874d212d1a.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a818a8c4fb60629455bb80e3d198edcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a950cba6ef36989e99e75caa3ff4083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2251dc81292a17b6e6bf8a4beefd06af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5710809797d3f0420959530d814605ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f5c3671300ebd915ae10aa86ccc237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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【推荐1】已知函数
.
(1)当
时,求函数
的单调递增区间![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若函数
在
的最小值为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6945e89a4455a9776b59143282865719.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
【推荐2】已知函数
.
(1)讨论函数
的单调性;
(2)若关于x的不等式
在
上恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165efc2d7def7648b22f9b0defdbc368.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c29f9c516ea362324d845536e4fd14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
【推荐1】已知函数
,其中常数
.
(1)当
时,求函数
的单调区间.
(2)设定义在
上的函数
在点
处的切线方程为
.当
时,若
在
内恒成立,则称
为函数
的“类对称点”.当
时,
是否存在“类对称点”?若存在,请求出一个“类对称点”的横坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca5755c4a6eeb8dac293711af67f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1286869be3fc87dd9cf8d2893158fb4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70087bf78bee970f6ecf583ca1fccc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f263b44213ddcbbedf1fcacb84e249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c32e62b519300d64c6c047eee8be457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
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解题方法
【推荐2】已知函数
,
.
(1)讨论函数
在区间
上的最大值;
(2)当
时,不等式
恒成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472895bd58320105f51cde06e2deb7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfa0ffff1241dba32a935e445d5f0a5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c201f085abdb7a46dcffa36a4ed164f.png)
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解答题-证明题
|
较难
(0.4)
【推荐3】已知函数
(
,
).
(1)当
(e为自然对数的底数)时,
(i)若
在
上恰有两个不同的零点,求实数m的取值范围;
(ii)若
(
),求
在
上的最大值;
(2)当
时,
,
,数列
满足
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d76ee3b131ecd6aa1aacf7fb7b3eb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
(i)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcda11a7bc792615e43e43884f91bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95492d86eb1d3f33e6dd73fc65abc58e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad5a523e020e21797c0f83c2b6772588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932a4f4875c0d88716e36ac7f2eb3288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695950fe16f7972182bd2d0864e12feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2aa78c96db411c9e1e939ae16de78d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99de0f26044bc548c86ef61bccdc9ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5510e289a8e5264e556ffd058e45d802.png)
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