1 . 判断正误(正确的打正确,错误的打错误)
(1)
是对数函数( )
(2)
(
,且
)是对数函数( )
(3)函数
(
,且
)的定义域为R( )
(4)
与
互为反函数( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8751499c93f487448cfa12950088e23.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a2f9ef35de0bfc746a0f8f711720d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7fa3a4215d34acaaed049343a43d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217914b923bee2f2a54935e55dd23b8f.png)
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解题方法
2 . 判断正误(正确的写“正确”,错误的写“错误”)
(1)对数函数的图像都过定点
.( )
(2)对数函数的图像都在y轴的右侧.( )
(3)若对数函数
是减函数,则
.( )
(4)
的解集是
.( )
(1)对数函数的图像都过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(2)对数函数的图像都在y轴的右侧.
(3)若对数函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac585e0c1f136d948300a554fa2d6b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41c6b9fa72109ba69163a5c6b7874a2.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cc8e91c8628e8fb1156bd1e5fdba07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33777028d00a6718d6a4b28977582b59.png)
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3 . 判断正误(正确的写正确,错误的写错误)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e48891d268e99d4104e8336d429fc4c.png)
( )
(2)
(
且
,
)( )
(3)
.( )
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79015d936099b42cf5cc644ba6008ac5.png)
( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e48891d268e99d4104e8336d429fc4c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4241378bf64de9bfcc5cfa89f8b3d369.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/ecc24206f19812fdd4e864175cb0bff4.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3eac9069936d84d0c25b8ee6f883b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79015d936099b42cf5cc644ba6008ac5.png)
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4 . 判断正误(正确的打“ 正确”,错误的打“ 错误”)
(1)
.( )
(2)
.( )
(3)
.( )
(4)
.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78d418a8c837ab4a50489567e3e57d8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7509a9c13b347670f3f5062ce9517bb3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7571cff22ca5466f6d5c58b636ff22f4.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc78d09bd76746beb03ca923670de7d.png)
您最近一年使用:0次
5 . 判断正误(正确的打“ 正确”,错误的打“ 错误”)
(1)函数
,且
的图象过定点
.( )
(2)函数
,且
在
上是单调函数.( )
(3)由函数
的图象向左平移1个单位可得
的图象.( )
(4)若
,则
.( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a3cf71dd2194a5f9760c69c606e1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a3cf71dd2194a5f9760c69c606e1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)由函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5bbf1426b9fa7c4d49659797ef34ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f857f2e8246dc056ac8f8ccd962d2.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c7ff0313db15ee5145245e6064128a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
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6 . 判断正误(正确的打“ 正确”,错误的打“ 错误”)
(1)由
,得
,所以
.( )
(2)
与
不是对数函数.( )
(3)若
是对数函数,则
且
.( )
(4)函数
的定义域为
.( )
(1)由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca02970d65fea8d2e9dab7dc060f073f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8595861f4ad5b2d806ac48cab1ead47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aebfe0660fcb901d4525cc3a77d3c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02daed7595ebb3d5a0b07965298209d1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca02970d65fea8d2e9dab7dc060f073f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(4)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01680c360ff65429c8c6f2f18083e120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
解题方法
7 . 判断正误(正确的写正确,错误的写错误)
(1)函数
且
是一个偶函数.( )
(2)函数
且
在其定义域上是增函数.( )
(3)
在
上为增函数.( )
(4)若函数
的最大值为
,则函数
的最大值就是
.( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe72b1d1e5acb92e610cd981a8c92fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534931c2902d3ccaf07e61d1eecbccba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d22066e920b367a7715a8030d8bc85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(4)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caeed95761cce97ddcdff330fbc9f337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b825235d7202028b9de4f3fca21249b.png)
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8 . 判断正误(正确的写正确,错误的写错误)
(1)对数log39和log93的意义一样.( )
(2)(-2)3=-8可化为log(-2)(-8)=3.( )
(3)对数运算的实质是求幂指数.( )
(4)若ln N=2,则N=2e.( )
(1)对数log39和log93的意义一样.
(2)(-2)3=-8可化为log(-2)(-8)=3.
(3)对数运算的实质是求幂指数.
(4)若ln N=2,则N=2e.
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9 .
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b236cf0327f7c5128b4a232b526393d5.png)
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10 . 函数
的图像经过点
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a4b037af2f4540aba7a4c8ddf8412b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e7d192c1c988462b773b36fe0bc169.png)
您最近一年使用:0次