名校
解题方法
1 . 设函数
.
(1)判断函数
在区间
和
上的单调性(不需要证明过程);
(2)若函数
在其定义域内为奇函数,求
与
的关系式;
(3)在(2)的条件下,当
时,不等式
在
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb700a41926e88302e5c1a272ec1bdd.png)
(1)判断函数
![](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/ad2edd8edcb21bd41584daf9bb95a5c7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)在(2)的条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a60372066c996c42b5cbf82e1bbefab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
2 . 已知函数
,若
对任意实数x恒成立,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5714daaeb790f078eda571b8f0ef4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17796db948012ea00f79954c0e389b0d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 二次函数
满足
,且
.
(1)求
的解析式;
(2)若
时,
的图象恒在
图象的上方,试确定实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42b6975b22e99c0148e6952d174ebba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a0ac4bfe4ded00b4400f913e0c9862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-06-14更新
|
666次组卷
|
3卷引用:福建省龙岩市上杭县第一中学2024年6月普通高中学业水平合格性考试数学模拟卷
名校
解题方法
4 . 已知函数
函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba472cbbddc2791717d1afa8ae3e7405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc48b76d839d9a7a4b54beb6e24dd86.png)
A.函数![]() ![]() |
B.存在实数![]() ![]() |
C.若![]() ![]() ![]() |
D.若函数![]() ![]() ![]() |
您最近一年使用:0次
2023-12-19更新
|
262次组卷
|
2卷引用:江苏省苏州市常熟中学2023-2024学年高一上学期12月学业水平调研数学试题
解题方法
5 . 已知函数
(a,b为常数,且
,
)的图象经过点
,
,下列四个结论:
①
;
②
;
③函数
仅有一个零点;
④若不等式
在
时恒成立,则实数m的取值范围为
.
其中所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d6c95ea3b9d0ff3e90a702d2db77d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440b61cd452731d6879f439977b87944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1303a69b5f39d8e6b798d4ce33971611.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c03978b43c0a9407b711179d8ef3db4.png)
④若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b341893141869b50d6420e359d06b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9fa23c0dc51520e56096ee192b7e323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16858419a930d4fe865f61a621dc6078.png)
其中所有正确结论的序号是( )
A.①②③ | B.①②④ | C.①③④ | D.②③④ |
您最近一年使用:0次
2023-07-15更新
|
568次组卷
|
2卷引用:2023年湖南省普通高中学业水平合格性考试数学试题(专家B卷)
解题方法
6 . 已知函数
,(
,
为常数).
(1)若函数
是偶函数,求实数
的值;
(2)若函数
有
个零点,求实数
的取值范围;
(3)记
,若
与
在
有两个互异的交点
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a39a5005c53d0e72546c0dfda5fdd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b348ef9ae62245f05324c52dc03e53.png)
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7 . 已知函数
.
(1)当
时,判断
在R上的单调性;
(2)记
在R上的最小值为
,写出
的表达式并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378ce9777776e0970e2a5da1b198d1c0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
您最近一年使用:0次
解题方法
8 . 设函数
.
(1)当a=8时,求f(x)在区间[3,5]上的值域;
(2)若
,使f(xi)=g(t),求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ff62b5e6f86670b8078ed40b6123c8.png)
(1)当a=8时,求f(x)在区间[3,5]上的值域;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381fd346d669684d551bf040ccb84386.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)若函数
为偶函数, 求
的值;
(2)设函数
,已知当
时,
存在最大值,记为
.
(i)求
的表达式;
(ii)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a67477dae504021893a02014382c77.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98eeeaca6cd1bd317c923f616afa8088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db3bddf89e44baab30088e83a0c7159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
您最近一年使用:0次
2022-06-24更新
|
695次组卷
|
3卷引用:2022年6月浙江省慈溪市高二学考模拟数学试题
2022年6月浙江省慈溪市高二学考模拟数学试题(已下线)专题3.9 函数性质及其应用大题专项训练(30道)-2022-2023学年高一数学举一反三系列(人教A版2019必修第一册)浙江省湖州市第二中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
10 . 已知椭圆
:
(
)的右焦点为F,原点到过点
,
的直线的距离是
,且圆O:
经过点F.
(1)求椭圆C的方程;
(2)若直线l1:
与圆O相切,且与椭圆相交于A,B两点,直线l2与l1平行且与椭圆相切于点M(O,M位于直线l1的两侧).记△MAB,△OAB的面积分别为S1,S2,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b7651af41fde7b3f7184732c895da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f213e991614465959aac77292c9bf09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e505adb132335591331824f48e40af3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
(1)求椭圆C的方程;
(2)若直线l1:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3293a7ffa4cf4ea6662a56293b853e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9458cc689193454e034845cca32a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次