解题方法
1 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/3bcbcf26-5854-4221-918e-c6498c424751.png?resizew=240)
(1)画出函数
的图象;
(2)设函数
的最大值为
,若正实数
,
,
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa09a9d9e1ef99bf78e188b8424a709.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/3bcbcf26-5854-4221-918e-c6498c424751.png?resizew=240)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91beeecb519bfc3c9afbd86f0537e589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f926175f731ce184bb725feacb0985.png)
您最近一年使用:0次
2024-02-19更新
|
159次组卷
|
2卷引用:陕西省咸阳市2024届高三上学期模拟检测(一)文科数学试题
2 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2022/2/24/2923413067685888/2933930586349568/STEM/56ce4e4b-5607-4d61-9e40-277ef435aa32.png?resizew=173)
(1)画出
的图象,若
与
的图象有三个交点,求实数m的取值范围;
(2)已知函数
的最大值为 n,正实数a,b,c满足
,求证:a+2b+3c≥3.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17439f76b870df5b66b8ce71f262ae25.png)
![](https://img.xkw.com/dksih/QBM/2022/2/24/2923413067685888/2933930586349568/STEM/56ce4e4b-5607-4d61-9e40-277ef435aa32.png?resizew=173)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408a9272589ff1809c137869ce8673a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89afe499e9db50743f26a833627bc324.png)
您最近一年使用:0次
3 . 已知函数
,
.
![](https://img.xkw.com/dksih/QBM/2022/2/21/2921392171024384/2926939060887552/STEM/b043e32e-ccc6-4436-b29d-f6d4ecb99a85.png?resizew=235)
(1)画出
的图象,若
与
的图象有三个交点,求实数
的取值范围;
(2)已知函数
的最大值为
,正实数
,
,
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99fc9c920cad0fd4fab2b56fb18a300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://img.xkw.com/dksih/QBM/2022/2/21/2921392171024384/2926939060887552/STEM/b043e32e-ccc6-4436-b29d-f6d4ecb99a85.png?resizew=235)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408a9272589ff1809c137869ce8673a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20421354eeae0a1b34ba40a57992402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbadbad21e77939800df4772b977103e.png)
您最近一年使用:0次
2022-03-01更新
|
801次组卷
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5卷引用:贵州省铜仁市2022届高三适应性考试数学(理)试题(—)
贵州省铜仁市2022届高三适应性考试数学(理)试题(—)贵州省贵阳市2022届高三适应性考试(一)数学(理)试题(已下线)重难点07 选考极坐标与参数方程、不等式 -2022年高考数学【热点·重点·难点】专练(全国通用)高考广西桂林、崇左市2022届高三5月联合模拟考试数学(文)试题广西桂林、河池、来宾、北海、崇左市2022届高三5月高考联合模拟考试数学(理)试题
名校
4 . 已知函数
.
(1)在平面直角坐标系中画出函数
的图象;
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718915193741312/2725367495434240/STEM/9b7e25d6-6f28-4053-b2fa-f99fd7d4675f.png?resizew=280)
(2)若对
,
恒成立,t的最小值为m,且正实数a,b,c满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c19778e999ac9927ee65b88d4439abac.png)
(1)在平面直角坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718915193741312/2725367495434240/STEM/9b7e25d6-6f28-4053-b2fa-f99fd7d4675f.png?resizew=280)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957b41ff9d0f5c4e94e32001e76f8532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c321b3d7476442ac8aabc81a553a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f353bd4c4ff97ede79e76724daf36.png)
您最近一年使用:0次
2021-05-20更新
|
1041次组卷
|
6卷引用:河南省郑州市2021届高三三模文科数学试题
河南省郑州市2021届高三三模文科数学试题河南省郑州市2021届高三三模理科数学试题(已下线)专题3.12—函数的图像-2022届高三数学一轮复习精讲精练(已下线)考向12 函数的图像(重点)河南省重点高中2021-2022学年高三下学期阶段性调研联考二文科数学试题云南民族大学附属中学2022届高三高考押题卷二数学(理)试题