题目: 若客人要求退当日以前网上预订的房费,门店按规定填写《()》传真到快钱公司相关联系人。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1027/ed7d8e4c5479283e4fed8b35909194fc.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:单项选择题 No decision______about any future appointment until all the candidates have been interviewed.A. will be made B. is made C. is being D. has been made 查看答案
题型:解答题 设x1,x2是函数f(x)=a3x3+b2x2-a2x(a>0)的两个极值点,且|x1|+|x2|=2.(1)用a表示b2,并求出a的取值范围.(2)证明:|b|≤439.(3)若函数h(x)=f′(x)-2a(x-x1),证明:当x1<x<2且x1<0时,|h(x)|≤4a. 查看答案