搜题请搜索小程序“爱下问搜题”
问题 填空题

函数y=log0.5（2x-8）的定义域为______．

答案

因为2x-8＞0，得到x＞4

故函数y=log0.5（2x-8）的定义域为（4，+∞）．

故答案为：{x|x＞4}．

单项选择题

( ) is the process of documenting, analyzing, tracing, prioritizing and agreeing on requirements and then controlling change and communicating to relevant stakeholders. It is a continuous process throughout a project.

A. Integrated management

B. Configuration management

C. Scope management

D. Requirements management
查看答案
填空题

请在下列数据后面填上合适的单位：

（1）某同学的身高是16.5_____；

（2）一张纸的厚度约为 75_____；

（3）一支圆珠笔长约为14_____；

（4）乒乓球的直径是3.11_____．
查看答案