已知函数f(x)=sinx(x≥0),g(x)=ax(x≥0).(I)若f(x) 发布时间:2017-04-13 15:04 │ 来源:www.tikuol.com 题型:解答题 问题: 已知函数f(x)=sinx(x≥0),g(x)=ax(x≥0).(I)若f(x)≤g(x)恒成立,求实数a的取值范围;(II)当a取(I)中最小值时,求证:g(x)-f(x)≤16x3.
题型:解答题 One of the benefits of the new model is that it is easier()than the old one.A.operatingB.to be operatedC.to operateD.operated 查看答案