名校
1 . 已知函数
(
,且
).
(1)若点
在函数
的图象上,求实数
的值;
(2)已知
,函数
,
.若
的最大值为8,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a04546d92fd165fc1ad2cc82c2dbb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e2d850b24f3aad07af4134de8d0e30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c6056c45c7b69d874c31523f09702c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b0b855f44d2f7755b3772a069fda1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . (1)已知
,求
的值;
(2)计算:
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0455082b44b56d4ade35eb512de55756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa7791192e86bd0315993e461b5e00f.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a3281276bdc581fbafca6b21a4007d.png)
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3 . 计算:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3683a2692387d17debf653549fe4bf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4003864f6810eca84b5c9907b48ca189.png)
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4 . 已知幂函数
为偶函数,且在
上单调递减.
(1)求m和k的值;
(2)求满足
的实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecec031a88a816d7cc980a4007c74989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(1)求m和k的值;
(2)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da203af61e434db09ddcee503dfcbdb6.png)
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5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb99743f0eb24f160397f7c485cfceb2.png)
(1)求
的定义域;
(2)判断
的奇偶性并予以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb99743f0eb24f160397f7c485cfceb2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
6 . 已知函数
且
的图象与
轴交于点
,且点
在一次函数
的图象上.
(1)求
的值;
(2)若不等式
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b642060a96c9f08701ed7d90cb020d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3254c7910df64292168e6cce0dbf3335.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132d41feaf28a5d96470d23780262b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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7 . 已知函数
.
(1)判断函数
在
上的单调性(只判断不必证明);
(2)结合(1)中的判断,若存在
,且
,使得函数
在区间
上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43624467db85873e727f6faf7ea0d099.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
(2)结合(1)中的判断,若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d14032f3281fcfb6c60571aba39a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa208c8bab34df3e76f87552abc985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f3da434024fcad33676e041f3effcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 已知
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f89ce1b22c3d11b0e54b7fefadf15f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f52bbd3014f66c79ede6ed6a5379da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6d4d2f4e721871d544cefccb1c6ef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
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9 . 已知函数
.
(1)若函数
的值域为
,求
的取值范围;
(2)若过点
可以作曲线
的两条切线,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a3a613527d7dc331dd7fd2cdf90a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38b1e00db6909315f0cfc82a1ce85a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
10 . 已知函数
.
(1)若函数
的定义域为
,求实数
的取值范围;
(2)若函数
的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f432014f8e338f229d5d74198668ed.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-12-28更新
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