设y=f(x)定义域R,对于给的正数k,定义函数fk(x)=f(x)f(x)≤k 发布时间:2017-05-04 19:42 │ 来源:www.tikuol.com 题型:填空题 问题: 设y=f(x)定义域R,对于给的正数k,定义函数fk(x)=f(x) f(x)≤kk f(x)>k取函数f(x)=log2|x|,当k=12时,函数fk(x)的单调递增区间为______.
题型:填空题 We wanted to get home before dark, but it didn't quite________ as planned. [ ]A. turn up B. turn outC. come out D. carry out 查看答案