函数f(x)=2x-ax的定义域为（0，1]（a＜0），（1）若a=-1，求函数 发布时间：2017-05-14 18:46 │ 来源：www.tikuol.com 题型：解答题 问题： 函数f(x)=2x-ax的定义域为（0，1]（a＜0），（1）若a=-1，求函数y=f（x）的值域；（2）求函数y=f（x）在x∈（0，1]上的最大值和最小值，并求出函数取最值时相应x的值．
题型：解答题 在B栏中找出A栏英语句子的正确答语。 (A) ( )1. What's his name? ( )2. How many oranges do you have?( )3. Thanks, Jenny!( ) 4. May I borrow your eraser, please? ( )5. How do you feel? ( )6. What colour is your hair? ( )7. How tall is Jim? ( )8. Would you like some dumplings? (B) A. Yes, please. B. He's .7 metres tall. C. It's black. D. I feel happy. E. Sure. F. You're welcome. G. I have five oranges. H. His name is Jack. 查看答案