已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12018892a39fd5fda4a2bec62d438d2.png)
(1)当
时,求函数
的单调递增区间(不必写明证明过程);
(2)判断函数
的奇偶性,并说明理由;
(3)当
时,若对任意的
,恒有
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9157cc896cf55ea07e40f2c62f6b70b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12018892a39fd5fda4a2bec62d438d2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d3c880f30beda2ebf604976dc159c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193a4717d564c01145e82314c2d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c6289e088d27da393796c1fdca30f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163836ab07d982556c85ac2e6a13ae72.png)
更新时间:2023-07-28 13:00:59
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解答题-问答题
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适中
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名校
【推荐1】已知函数
.
(1)若
,求
的单调区间;
(2)求函数在
上的最值;
(3)当
时,若函数
恰有两个不同的零点
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae58c320ed27b4fd588d08f612d540e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69dc5e1c7dbc91e5474e2ac268d67d12.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195405806000368ee429ee399593abb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553138ce4549aef8a2a39112760c6586.png)
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解答题-作图题
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适中
(0.65)
名校
【推荐2】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e448f01b6f3950fb689b8b8a42e3eba.png)
(1)判断函数的奇偶性
(2)画出函数f(x)的图象,并求出函数f(x)的单调区间
(3)若函数
与
的图象有三个公共点,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e448f01b6f3950fb689b8b8a42e3eba.png)
(1)判断函数的奇偶性
(2)画出函数f(x)的图象,并求出函数f(x)的单调区间
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f666929702dc0129a041895b28d659b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐1】已知函数
.
(1)求函数
的定义域;
(2)判断函数
的奇偶性;
(3)若
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4216c3b0840bcb7c7a846bfb21e25e3e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d0b969f58a09dff5c32b43219e2080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300fc65b226420441dc4defc9802d43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)判断
的奇偶性.
(2)判断
在
上的单调性,并用定义证明.
(3)是否存在实数
,使不等式
对一切
恒成立?若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f1a4dae016e66b342f7e3584d8d019.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18310ad19ad027c61e0916981095eaf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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适中
(0.65)
解题方法
【推荐1】如图,圆锥底面半径为1,高为2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/88753763-12c3-426f-accb-3353306ab58c.png?resizew=172)
(1)求圆锥内接圆柱(一底面在圆锥底面上,另一底面切于圆锥侧面)侧面积的最大值;
(2)圆锥内接圆柱的表面积是否存在最大值?说明理由;
(3)若圆锥的底面半径为a,高为b,试讨论圆锥内接圆柱的全面积是否存在最大.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/88753763-12c3-426f-accb-3353306ab58c.png?resizew=172)
(1)求圆锥内接圆柱(一底面在圆锥底面上,另一底面切于圆锥侧面)侧面积的最大值;
(2)圆锥内接圆柱的表面积是否存在最大值?说明理由;
(3)若圆锥的底面半径为a,高为b,试讨论圆锥内接圆柱的全面积是否存在最大.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)若函数
的图象与函数
的图象在区间
上有公共点,求实数
的取值范围;
(2)若
,且
,曲线
在点
处的切线
与
轴,
轴的交点坐标为
,
,当
取得最小值时,求切线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864d3b28e09d281c05e3ac516d42d972.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ee37de81b00dece2f14f40d33def62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b779207a097010b0ee4864b1e653ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56501de7dcfc3e0eb2b18fd261a6280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6d8e87ca6ba04d20ede3136fad5e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f12c805c7ffd717cdc9d222a7d06a77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6007970233dae8ea5b789d66c5d02a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf9118423f9f07fb12a44327b9f9066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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