选择题:已知 f (x) =ax+a+cosx(a∈R), 则在曲线 y=f (x) 上一点(0, 2) 处的切线方程为()

  • 题目分类:高考
  • 题目类型:选择题
  • 查看权限:VIP
题目内容:

已知 f (x) =ax+a+cosx(a∈R), 则在曲线 y=f (x) 上一点(0, 2) 处的切线方程为()

A.x﹣ y+2=0

B.x+y﹣ 2=0

C.2x﹣ y+2=0

D.2x+y﹣ 2=0

参考答案:
答案解析:

—Whats the key to success, Dad?—More time and hard work, ________ youll make it

—Whats the key to success, Dad?—More time and hard work, ________ youll make it one day.

查看答案

The young men all shouted “Happy New Year” _______it was twelve o’clock.

The young men all shouted “Happy New Year” _______it was twelve o’clock.

查看答案

近年来, 随之物质生活水平的提高以及中国社会人口老龄化加速, 家政服务市场规模逐年增长, 下表为 2017 年﹣ 2021 年中国家政服务市场规模及 2022

近年来, 随之物质生活水平的提高以及中国社会人口老龄化加速, 家政服务市场规模逐年增长, 下表为 2017 年﹣ 2021 年中国家政服务市场规模及 2022 年家政服务规模预测数据(单位: 百亿元)

查看答案

I’ve tasted lots of delicious food, ______ what I like best is the dishes ______

I’ve tasted lots of delicious food, ______ what I like best is the dishes _______ by Mum.

查看答案

The boy is not very tall, _______ he runs very fast.

The boy is not very tall, _______ he runs very fast.

查看答案