名校
解题方法
1 . 某公司为了变废为宝,节约资源,新上了一个从生活垃圾中提炼生物柴油的项目,经测算该项目月处理成本
(元)与月处理量
(吨)之间的函数关系可以近似地表示为:
,且每处理一吨生活垃圾,可得到能利用的生物柴油价值为200元.
(1)当
时,判断该项目能否获利?如果获利,求出最大利润:如果不获利,则月处理量
为多少吨时可使亏损量最小?
(2)该项目每月处理量为多少吨时,才能使每吨的平均处理成本最低?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3136a7dfb4c60a5b0fa0c47af447f8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859a63de3c7d397c363b6d2aee16035f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)该项目每月处理量为多少吨时,才能使每吨的平均处理成本最低?
您最近一年使用:0次
2020-12-03更新
|
397次组卷
|
3卷引用:湖北省武汉市十四中联考体2020-2021学年高一上学期期中数学试题
解题方法
2 . 函数
,
,
,
.
(1)求函数
的单调性:
(2)若
,求使
恒成立时
的取值范围;
(3)若
,
,
,
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ffabd2cd957b0d06c1566fc4bc3fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44165805c9477000c83b902377ea3455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1727ea96d6456051cec7712badfc5217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a1f5ad07d52116cb45d26b1531417c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b27c1f23ac69f3aa700ffcda179cdf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e270e5e488ded8f5eafb66f2df173692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0a520bf6215df87a516c1ea0f14a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4949ac5f62152eb5a1ab30c63250b78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641a30e0293811f8a2e2b6cf46045f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-02更新
|
620次组卷
|
2卷引用:湖北省武汉市第十五中学联考体2020-2021学年高一上学期期中数学试题
名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640b28d20dd4a54287e650533fd0dd6a.png)
(1)求
奇偶性
(2)画出函数
的图像:
(3)求
,
的值域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640b28d20dd4a54287e650533fd0dd6a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb433b1b78dbf82889ae82a689b8b46e.png)
您最近一年使用:0次
2020-12-02更新
|
406次组卷
|
4卷引用:湖北省武汉市第十五中学联考体2020-2021学年高一上学期期中数学试题
湖北省武汉市第十五中学联考体2020-2021学年高一上学期期中数学试题湖北省武汉市部分重点中学2020-2021学年高一(上)期中数学试题四川省泸州市泸县泸县第四中学2022-2023学年高一上学期期中数学试题(已下线)第三章 函数的概念与性质单元测试(巅峰版)-【冲刺满分】
名校
解题方法
4 . 已知函数
是
上的奇函数,当
时,
.
(1)判断并证明
在
上的单调性;
(2)求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b630a0982d8426292135b8ba63edcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6927393081958d570fb28b49fa919432.png)
(1)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7729d25b2b4c4643f053660247119718.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
名校
5 . 如图所示,河(阴影部分)的两岸分别有生活小区
和
,其中
,
,
,
,
,
三点共线,
与
的延长线交于点
,测得
千米,
千米,
千米,
千米,若以
,
所在直线分别为
,
轴建立平面直角坐标系
,则河岸
可看成是函数
(其中
,
是常数)图象的一部分,河岸
可看成是函数
(其中
,
为常数)图象的一部分.
![](https://img.xkw.com/dksih/QBM/2020/11/27/2602105794478080/2604789873303552/STEM/d1c7b5410f134dff95bce1f2a0c76007.png?resizew=151)
(1)写出点
和点
的坐标,并求
,
,
,
的值.
(2)现准备建一座桥
,其中
在曲线段
上,
在
上,且
.记
的横坐标为
.
①写出桥
的长
关于
的函数关系式
,并标明定义域;(注:若点
的坐标为
,则桥
的长
可用公式
计算)
②当
为何值时,
取到最小值?最小值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508f8d607c633e9b008d48ac3dcd22e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5621174446edc69848b8db5ec0958219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076c968214a7e6681b56e3a008cd09a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad74209d9457e10e01f4d81505e6312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9e9e142191d1712ef4571941091fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.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/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc90520c56219486a0f3ce8fe6b6eee.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/2020/11/27/2602105794478080/2604789873303552/STEM/d1c7b5410f134dff95bce1f2a0c76007.png?resizew=151)
(1)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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)
(2)现准备建一座桥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66fae8e33cd86fa8dab72704eaafe1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
①写出桥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfa37a631c89018536816cde38cf468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10e08a0309576bb04c2a194d7ef989a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f982b8388e74e1d4071a99d7e4e189a.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
(
且
)是定义域为
的奇 函数,且
.
(1)求
的值,并判断
的单调性(不要求证明);
(2)是否存在实数
,使函数
在
上的最大值为0?如果存在,求出实数
所有的值;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7a0efb23a59a82e6dd3252778f04ee.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a98186dcca4e3093a3e910b705b087.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1533fdab20809be5fa471a8d34e9e456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd9c440eb35d3edc3516a8ac4358e1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-12-01更新
|
462次组卷
|
4卷引用:湖北省荆州中学2020-2021学年高一上学期期中数学试题
湖北省荆州中学2020-2021学年高一上学期期中数学试题(已下线)大题能力提升考前必做30题-2020-2021学年高一数学期末考试高分直通车(沪教版2020,必修一)(已下线)第四单元 (综合培优)指数函数与对数函数 B卷-【双基双测】2021-2022学年高一数学同步单元AB卷(人教A版2019必修第一册)(已下线)第四单元 (基础过关)指数函数与对数函数 A卷-【双基双测】2021-2022学年高一数学同步单元AB卷(人教A版2019必修第一册)
名校
7 . 已知
.
(1)若
,求
的值;
(2)记
,
①求
的定义域
,并求
的最大值
;
②已知
,试比较
与
的大小并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c7082ad32db40f04008553b1d366b9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48a60598897a0be6fa8512c5dbec749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da11eba393c7316a2370dc1052000bc5.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4523a6b606cc254bf4f099a32cb4ad9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d2dc5a13b5ef6dbea1bd19c72ff1e1.png)
您最近一年使用:0次
8 . 计算或化简:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46eef0e86a5584ba054fc27f24692fbd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c529f21439d612f0775fd10bed1204e3.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
为奇函数.
(1)求实数
的值;
(2)求证:
在区间
上是增函数;
(3)若对任意的
都有
求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d000acf6ee3710d5cde4b580c4324e75.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e650801ccc7f4f5e4bc1fe38a2f8c8.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63b6f49132933d97d602f8be2ffbac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9aaba0ef698338096efce46756b5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-30更新
|
517次组卷
|
5卷引用:湖北省“荆、荆、襄、宜“四地七校联盟2020-2021学年高二上学期期中数学试题
解题方法
10 . 已知集合
或
,
,
.
(1)求
,
:
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81caffa476aa664d60043983019518c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4ddadbdc40a81d7310dd69c14f40a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60e225bab29be705c8109d084751c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd6ac0e7084b6e8537d90ce48c8505d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dd9f714d61a985b52583cb8403054c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3卷引用:湖北省武汉市部分重点高中(一中、三中等)2020-2021学年高一上学期期中联考数学试题