题目

若函数f(x)=kax-a-x(a＞0且a≠1）既是奇函数，又是增函数，则函数g(x)=loga(x+k)的图象是(    ) 答案：解析:由题意易知a＞1,k=1.答案DWhy _______a rest if you are tired?A. don’t you to have B. you not haveC. don’t you have D. not to have