名校
1 . 函数
的部分图像如图所示.
的解析式;
(2)若
,求
的值;
(3)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffd082d7fd097092d59b2ae4fde852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27010021129259f849dc0d0fb42642a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c46d4adcf012dd489b774aa90734fa.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b10f0cec1f3becd24f2e486e1422aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-04-24更新
|
750次组卷
|
3卷引用:辽宁省大连市一0三中学2023-2024学年高一下学期4月月考数学试卷
辽宁省大连市一0三中学2023-2024学年高一下学期4月月考数学试卷河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期5月月考数学试题(已下线)专题02 三角函数的图象与性质-期末考点大串讲(人教B版2019必修第三册)
2024高三·全国·专题练习
解题方法
2 . 正四棱锥
的外接球半径为R,内切球半径为r,求证:
的最小值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff3606c7bf728b4f539261461cde677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
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3 . 对
,
,记
,则函数
的最小值为 __________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1a047dd9d765dc82f2f763caac067e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d428a93b139b018801310ca3fb07ab.png)
您最近一年使用:0次
2024-04-02更新
|
412次组卷
|
2卷引用:陕西省宝鸡市宝鸡中学2023-2024学年高一上学期期中考试数学试题
4 . 已知二次函数
.
(1)若对于任意
,且
为偶函数,求
;
(2)设
为函数
与x轴的两个交点的横坐标,且
,
,且当
时,
的最小值为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c035b8e60e79f90257e464ac6d5a060b.png)
(1)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f567efa4faa6de6cd98808df99c238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb19d43bf321e4019573260f189a7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c035b8e60e79f90257e464ac6d5a060b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f184ef9e0d57554e95f369c9d4bbfea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afd9e226c9e45f674286910bc495e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c2ea39915aad1d3b55babc34636ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11f65c626db6450234cb130a091b766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f7968a9dafa18e1ae7138cae785c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f7968a9dafa18e1ae7138cae785c92.png)
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5 . 若函数
,
对
恒成立,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8351110ff36ec613d18193bdb46f9adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fabf7c6cf665403e4a4b9b4c99c66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
6 . 已知函数
,(
,a为常数).
(1)讨论函数
的奇偶性;
(2)若函数
有3个零点,求实数a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/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.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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解题方法
7 . 已知函数
,则下列说法正确的是( )![](https://img.xkw.com/dksih/QBM/2023/11/11/3365677126320128/3366301769678848/STEM/a163ca878fbb4b4b93fde9644df113c1.png?resizew=4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3057e7225daa2fd0488da2bd04b04f2.png)
![](https://img.xkw.com/dksih/QBM/2023/11/11/3365677126320128/3366301769678848/STEM/a163ca878fbb4b4b93fde9644df113c1.png?resizew=4)
A.当![]() ![]() ![]() |
B.函数![]() ![]() |
C.若![]() ![]() |
D.对![]() ![]() |
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8 . 若实数
满足
,则称
比
远离
.
(1)若
比
远离1,求实数
的取值范围;
(2)若
,试问:
与
哪一个更远离
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d32d4403d0e81eacfbe429dc51f07f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b782dd2de9c9caa840838cd63d817de.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/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384644d7bf34625fd3af5083436f5e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
9 . 抛物线
(a,b,c是常数,
)经过
,
,
三点,且
.下面正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67c623950b5795d5fb4daeb8102a8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae3a88c614758672f5d2f2149236476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
A.![]() |
B.![]() |
C.当![]() ![]() ![]() |
D.若关于x的一元二次方程![]() ![]() |
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10 . 已知函数
(
,
).
(1)若函数
的图像与直线
均无公共点,求证:
;
(2)若
,
时,对于给定的负数
,有一个最大的正数
,使
时,都有
,求
的最大值;
(3)若
,且
,又
时,恒有
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce086037087f58409a28b4885979fd77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eb9b6fe8959ae9e71e857b6d6fed49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3051f43ac48c0a730a791b8a93ad37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abffa1d225ca1e8bd2d15ab6d3ad9a50.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9439d9d9bc4f93dce4b94d1e33e06bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044934f7dbd6847a30f13a34c9bb4e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efdb19e1863e40b863519bca9edcdf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77cdb8806a697e8e5480fad9c380baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fdf1eec5487c094e8d38cbc77b91604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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