21-22高一·湖南·课后作业
1 . 一个质点沿直线运动.质点由静止匀加速
后速度达到8m/s;然后质点以恒定速度8m/s运动了
;之后质点在40s内匀减速到完全停下.
(1)画出质点运动的速度—时间图象;
(2)已知质点总共运动的位移是600m,求
的值;
(3)画出质点运动的加速度—时间图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec1f566755112d1bd97f3acaa7c4a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb487dc24839127f7cac6620a0ebcc6.png)
(1)画出质点运动的速度—时间图象;
(2)已知质点总共运动的位移是600m,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)画出质点运动的加速度—时间图象.
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解题方法
2 . 下列叙述正确的是( )
A.已知![]() ![]() |
B.函数![]() ![]() ![]() ![]() |
C.函数![]() ![]() |
D.“![]() ![]() ![]() |
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2022高三·全国·专题练习
解题方法
3 . 下列说法中真命题的是( )
A.![]() ![]() ![]() ![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() ![]() |
D.若等差数列![]() ![]() ![]() ![]() ![]() ![]() |
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4 . 下列判断错误的是:( )
A.如果一个函数的定义域关于坐标原点对称,那么这个函数为偶函数; |
B.对于定义域为实数集![]() ![]() ![]() |
C.解析式中含自变量的偶次幂而不含常数项的函数必是偶函数; |
D.既是奇函数又是偶函数的函数存在且唯一. |
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解题方法
5 . 已知
(
表示不超过
的最大整数),以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33de1d71d9e50a9928e4c402145f390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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6 . 若函数
满足
,且
的定义域为
,已知
,当
时,
,求:
(1)
的奇偶性;
(2)
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa176d7506e349d4108a4245745f142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8c7bb4fe82c62be38565dae4d303b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5e026a565c24617edc36f82fd85e63.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
7 . 设
且对于任意的
有
,
,若
,
,则
的最大值是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2caf25eeaeb6c3521d37ec614a0b3755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422bdeda8a958deff409e52dac6fe4c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407169706c508bfae5d039639b49477d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9595bc0f7ded748e99fc6465aff9bc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd43e36e05c6c391f875cf378c062cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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2022-01-11更新
|
167次组卷
|
2卷引用:苏教版(2019) 必修第一册 突围者 第5章 易错易难集训(二)
21-22高二·江苏·课后作业
8 . 对于函数
,如果
(c为常数)对定义域中的每个自变量
均成立,那么
一定是函数
的最大值吗?如果
对定义域中的每个自变量
均成立,那么
一定是函数的最大值吗?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e027e4901be30f64cf38ce2ea45fa4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4cfcf05e9cbd9db843ccfd57bfa9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03e483e8a37a8e0e1fb327f99ad93ea.png)
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解题方法
9 . 函数
,被称为狄利克雷函数,其中
为实数集,
为有理数集.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/567b0412-b11e-4e6b-9be3-2a7d4d5f2602.png?resizew=204)
(1)判断
的奇偶性,并证明;
(2)设
是定义域为
的奇函数,当
时,
,画出
的图像,并根据图象写出
的单调区间及零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f15945e5fa788b076edf86fbf3e42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/567b0412-b11e-4e6b-9be3-2a7d4d5f2602.png?resizew=204)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f5a719332bc8af83fbe70fa6cf632d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f440b7118356ed74fc494ed27a91191c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
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10 . 已知
、
是定义在
上的函数,且
在
上是严格增函数,设
满足
,且对于
中的任意两个相异的实数
、
,恒有
.
(1)求证:
在
上是严格增函数;
(2)设
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a301678a22fd9ebedb6c142a5a73bb4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2407042c0e07f46e7f0cc703aa37e2d8.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fb7af688c7d890a2221ab00eee4e54.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/a2408a1f2c35f6277efa4f8e58e93fc0.png)
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