【单选题】【消耗次数：1】
函数为（）
①
基本初等函数
②
复合函数
③
初等函数
④
分段函数
参考答案：
复制
纠错
相关题目
【单选题】
下列函数是初等函数的是（）
①
y=2x+1
②
y=x
③
<img class=jc-formula data-tex=y=\sin { x } src=https://huaweicloudobs.ahjxjy.cn/19D9B323E6F227708D0463A5D03938AC.png style=vertical-align: middle;/>
④
<img class=jc-formula data-tex=y=\arctan { x } src=https://huaweicloudobs.ahjxjy.cn/0E7FF7AC3C2CC4D6DE0CCE6D9B28DB54.png style=vertical-align: middle;/>
【单选题】
下列函数中不是初等函数的是
①
<img src=https://huaweicloudobs.ahjxjy.cn/B5A576516EAD27A9E47B4F6B09ACC620.png style=vertical-align: middle;/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C27CB48C1B3E0B000BD03E06700FD015.png style=vertical-align: middle;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5E60D2A8571A9A2C130AD91947DABC0F.png style=vertical-align: middle;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0B924EDBA7F4F25EFE61194C3B89B9F4.png style=vertical-align: middle;/>
随机题目
【单选题】
______ for over 30years, we have great confidence in offering customers with premium products and services.
①
Being in the line
②
We will be in the line
③
To be in the line
④
Having been in the line
【单选题】
As these machines are precision instruments which cannot stand rough handling, the wording” Handle with Care” should be also marked ____ each case.
①
on
②
in
③
with
④
into
【单选题】
Should your products prove _________ in quality and reasonable in price, I trust substantial order will follow .
①
satisfy
②
satisfactory
③
satisfied
④
satisfaction
【单选题】
Considering your first transaction with us, we would like to ask you to offer name and address of your bank so as to enable us to ______ references.
①
apply with
②
account for
③
apply for
④
account on