He got up very late, ______ he was late 发布时间:2017-06-19 14:22 │ 来源:www.tikuol.com 题型:选择题 问题: He got up very late, ______ he was late for school. A. and B. but C. because D. so
题型:选择题 设函数f(x)=xekx(k≠0).(1)求曲线y=f(x)在点(0,f(0))处的切线方程;(2)当k>0时,求函数f(x)的单调区间;(3)若函数f(x)在区间(-1,1)内单调递增,求k的取值范围. 查看答案
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