1 . 判断正误(正确的打正确,错误的打错误)
(1)函数
的零点是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d66e9d52546beeea016d6d7d3f0ca6.png)
( )
(2)函数
有零点( )
(3)若函数
在区间(a,b)上满足
,则在区间(a,b)上一定没有零点( )
(4)任何函数都存在零点( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e212cdbfba6610bc55df2c1a737407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d66e9d52546beeea016d6d7d3f0ca6.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f276904f1527f7fc44e53889d1aabc03.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf28c59465ca00ebd90f21b630f10ba.png)
(4)任何函数都存在零点
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解题方法
2 . 判断正误(正确的打正确,错误的打错误)
(1)函数
,若
,则函数
在R上是增函数.( )
(2)函数
在
上是减函数.( )
(3)若
在R上是减函数,则
.( )
(4)若
在
]和
上均单调递增,则
在
上单调递增.( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192bb45bd15b200f40b34377bc58905b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee03aab7035acee28c8e4267c5ed7cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74db05cd6e1d65582988e7ebb513e61d.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992d70084c8512958a36ac591e74f617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
您最近一年使用:0次
3 . 判断正误(正确的打“ 正确”,错误的打“ 错误”)
(1)
,
,
.( )
(2)若
,则
.( )
(3)若
,则
或
,二者必居其一.( )
(4)集合
可能成立.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86ce6a27fba0d3dd408cda9ea3f04f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d01497d24da642df2e7b107b610ff21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfd35183617b8d659a74101420aa310.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d668dcafd840848827736f1b83b067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b209386eac3bf9eacec0c0514ef0497.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63919cff4d3b194aade6e2b8f9fcac7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
(4)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a986e6afe28d205a596939fbbe189.png)
您最近一年使用:0次
4 . 判断正误(正确的写正确,错误的写错误)
(1)函数
在R上是增函数.( )
(2)二次函数
的顶点坐标为
.( )
(3)函数
随着自变量x的增大,函数值增大的速度越来越快.( )
(4)自建函数模型解决的问题一定是准确无误的.( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae320e18a98f85bb6342bd885bff888.png)
(2)二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89e526d2cf7d690b544c37e488fc1ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb940b89d53687c73052cb4c2905f74b.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2060d37d18a5c9d6eb31c6e5015b819.png)
(4)自建函数模型解决的问题一定是准确无误的.
您最近一年使用:0次
解题方法
5 . 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)
您最近一年使用:0次
解题方法
6 . 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/df2f97bb1824f3a90a0d46fee6c0057b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79427caec22f1a1ba71e630059de015b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd51f8c0e5a417857ff013dcde8ccfa.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e40cbb1d74b4f5b51d9083df8ecf89b.png)
您最近一年使用:0次
7 . 判断正误(正确的打“正确”,错误的打“错误”)
(1)在一次函数模型中,系数k的取值会影响函数的性质.( )
(2)在幂函数模型的解析式中,a的正负会影响函数的单调性.( )
(3)解决实际问题时建立的函数模型是唯一的.( )
(4)由函数模型求得的结果与实际是一致的.( )
(1)在一次函数模型中,系数k的取值会影响函数的性质.
(2)在幂函数模型的解析式中,a的正负会影响函数的单调性.
(3)解决实际问题时建立的函数模型是唯一的.
(4)由函数模型求得的结果与实际是一致的.
您最近一年使用:0次
8 . 判断正误(正确的打“正确”,错误的打“错误”)
(1)
是指数函数.( )
(2)
且
是指数函数( )
(3)指数函数的图象一定在
轴上方.( )
(4)
且
是单调函数.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9258e80841708b48b413ff467349ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04d907c859be64bc6fac254eaa0d6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
(3)指数函数的图象一定在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f93edb9ab75c61670bdef3e65d6488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
您最近一年使用:0次
解题方法
9 . 判断正误(正确的打正确,错误的打错误)
(1)函数
的衰减速度越来越慢.( )
(2)增长速度不变的函数模型是一次函数模型.( )
(3)若
,对于任意
,一定有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05fbbdf2f85f74ceb726ee86750d86b.png)
( )
(4)方程
有2个解.( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8129050cdbac05687f29f36eb9fb406c.png)
(2)增长速度不变的函数模型是一次函数模型.
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8e5deedc48bcd7b6eb9d4165d56f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070054c0b4182ab7399ed56925844e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05fbbdf2f85f74ceb726ee86750d86b.png)
(4)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30ebf0818f131df4534563d88665778.png)
您最近一年使用:0次
10 . 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)
您最近一年使用:0次