1 . 设函数
.
(1)求
的定义域;
(2)求
的单调区间;
(3)求
在区间
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de676d0ea60cf177f85d7d8eedb4f59e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc7bc07dde43da45e75bb38793257f0.png)
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名校
2 . 记
,其中
为实常数.
(1)求函数
的最小正周期;
(2)若函数
的图像经过点
,求该函数在区间
上的最大值,并求取得最大值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41361405e4e9b12ca81f09e1f6f760f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8c5671c7a231e69641186f554755f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7706a41e6a272dff5987cd7398aea2ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
3 . 已知函数
,且当
时,
的最小值为
.
(1)求
的值;
(2)若
在
上有且仅有一个
,使得
取得最小值,求
的取值范围;
(3)若函数
在
内有3个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a74138992728c995ff3c6fba1e7f931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6249318656c16089ae2dc9a966fb154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c875c55f2117fb4572265601f096895a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5aad266332e8f7f5be5124ec19606e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7417645b760b0e03cfe0bcdaa6a1d93e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4412fc39a6cdcf567801a5ba8e76963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a748ae73e4701b5d25e89c5cc0833bb8.png)
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名校
4 . 如图,扇形
的半径为
,圆心角为
,
是弧
上的动点(不含点
、
),作
交
于点
,作
交
于点
,同时以
为斜边,作
,且
.
的面积的最大值;
(2)从点
出发,经过线段
、
、
、
,到达点
,求途经线段长度的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7396e0c83a454e077c0bea12d945e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4ca88283eb868dd132679b265347a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2b2fe0a4e703682ccc90e1df720db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f153fbd422d0a79c7ff6cdaaac513397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b156333f108b4a6383c547eb75a16473.png)
(2)从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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2024高三·全国·专题练习
5 . 比较大小:
与
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aeed575c6acf68e3c40754dd0e5974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665c619fecce9a56b0ae330478689f9f.png)
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解题方法
6 . 某医疗器械公司为了进一步增加市场竞争力,计划改进技术生产某产品.已知生产该产品的年固定成本为200万元,最大产能为100台.每生产
台,需另投入成本
万元,且
,由市场调研知,该产品每台的售价为200万元,且全年内生产的该产品当年能全部销售完.
(1)写出年利润
万元关于年产量
台的函数解析式(利润
销售收入
成本);
(2)当该产品的年产量为多少时,公司所获利润最大?最大利润是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2072b6873b26474cb1599583d85475ec.png)
(1)写出年利润
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2972af8c65701183de194c358b83256c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
(2)当该产品的年产量为多少时,公司所获利润最大?最大利润是多少?
您最近一年使用:0次
24-25高一上·全国·课后作业
7 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6b62fd3d957bea57b298adad97fbc8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e261229041a72370201784e8414c35f3.png)
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24-25高一上·全国·课后作业
8 . 计算:
(1)
;
(2)
;
(3)
(
,
,且
,
).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262af283ababdfbd4c43605acf7d845a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3038e15302e53fd50808c8b89d604514.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d34ffe7d57e109bd2c444b198c6a8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
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24-25高一上·全国·课后作业
9 . 如图,设正方形的边长为
,请你利用
写出一个含有
的不等式,与熟悉的不等式比较,并与同学交流.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc9661f3ec83a62c9553f7a4239441b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee84a005c4c883b4dbd0e0dfd703cba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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