【单选题】关于管理的应用范围,你认为下面哪个说法更好
【简答题】已知1≤x≤10且xy 2 =100,求(lgx) 2 +(lgy) 2 的最大值和最小值,并求取得最大值和最小值时相应的x,y的值.
【简答题】(本小题满分14分)已知 (Ⅰ)当 , 时,问 分别取何值时,函数 取得最大值和最小值,并求出相应的最大值和最小值;(Ⅱ)若 在R上恒为增函数,试求 的取值范围; (Ⅲ)已知常数 ,数列 满足 ,试探求 的值,使得数列 成等差数列.
【简答题】已知函数 , 是 的导函数. (Ⅰ)求函数 的最大值和相应的 值; (Ⅱ)若 ,求 的值.
【简答题】Dear Sir, I have learned that volunteers for Beijing 2022 Winter Olympic s is needed. I’m writing to apply to this position. As a native of Beijing, I think it is a privilege and duty for me to of...
【简答题】求函数 的最大值 和最小值及相应的 的值.
【简答题】I look forward to returning to Xiamen as soon as I can. But even now I’m writing my course materials, so students can do much of the work online. In fact, this week, many XMU courses 1 online. This is...