已知函数f(x)=x2+2x+alnx (1)若f(x)是区间(0,1)上单调函 发布时间:2017-05-13 22:50 │ 来源:www.tikuol.com 题型:解答题 问题: 已知函数f(x)=x2+2x+alnx(1)若f(x)是区间(0,1)上单调函数,求a的取值范围;(2)若∀t≥1,f(2t-1)≥2f(t)-3,试求a的取值范围.
题型:解答题 — ______ is it from your home to school? — It's about one kilometer away. [ ]A. How far B. How long C. How much D. How many 查看答案