解题方法
1 . 已知函数
是指数函数.
(1)求
的表达式;
(2)判断
的奇偶性,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256de241741865f4e722b16f2ec4f98b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b97b96f6473fa08381a6b3d7993fedb.png)
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2 . 已知偶函数
,则不等式
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333266b16186660bcf2b92482de62cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a9fb2f3a9634cdb2b48ea1edb4569e.png)
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解题方法
3 . 已知函数
且
的图象过点
.
(1)求不等式
的解集;
(2)已知
,若存在
,使得不等式
对任意
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12291a5bb418dbfdc6e31c5ffc26acea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ac87c1bd6a7938e64651ac58d051bc.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4204cf940be2b578a056a7854db2a2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7905fd422e78a1d22ff6f11950bc5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbeda12757923af6302d15fe252b5681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc7b8e63ed05e5bc3a00281b86720cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0b1eb807465b9f7fe538d444703ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-29更新
|
394次组卷
|
4卷引用:陕西省汉中市龙岗学校2023-2024学年高一上学期期末数学试题
名校
解题方法
4 . 已知函数
且
的图象过坐标原点.
(1)求
的值;
(2)设
在区间
上的最大值为
,最小值为
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b4b710dc0a772a414648561c22f8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0210752443180e7c55c9c91e7688b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-29更新
|
362次组卷
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4卷引用:陕西省汉中市龙岗学校2023-2024学年高一上学期期末数学试题
名校
5 . 已知
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc537b6ae16e7b301b35e841073c848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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410次组卷
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4卷引用:陕西省汉中市龙岗学校2023-2024学年高一上学期期末数学试题
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6 . 已知命题
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9aa568303f47f51aade4d880bfab7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4卷引用:陕西省汉中市龙岗学校2023-2024学年高一上学期期末数学试题
名校
7 . 声音的强弱通常用声强级
和声强
来描述,二者的数量关系为
(
为常数).一般人能感觉到的最低声强为
,此时声强级为
;能忍受的最高声强为
,此时声强级为
.若某人说话声音的声强级为
,则他说话声音的声强为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9979f7c16b0862511fcba0eff447e9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb4e3aa583d4e4bc997da454d5f0a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7869bd945150e2bc08e0131ea56b780e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6892ce0857f83ad8541abd61bfd955db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238014c690f09b7c14f7619953f20369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7a57dab3a465603856dd0c63bfe246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32123578507f6faea3afcb8a4fe08f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4896768c02ff717cfddf4cacb512fd6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-29更新
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347次组卷
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4卷引用:陕西省汉中市龙岗学校2023-2024学年高一上学期期末数学试题
解题方法
8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea6d8b95c4ede30ebd6ab7afaa13bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知
是奇函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02ac352b6a0a494050f8c4ad820187a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8f282990d53ae464d1501a9d13dcc96.png)
A.-1 | B.1 | C.-2 | D.2 |
您最近一年使用:0次
10 . 求下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e14fd18a437c246102adcfd9cb6afd2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c995fb14e304e982b40e4565e8f98d7d.png)
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