题型:判断题 已知函数f(x)=log4(4x+1)-(k-1)x(x∈R)为偶函数.(1)求常数k的值;(2)当x取何值时函数f(x)的值最小?并求出f(x)的最小值;(3)设g(x)=log4(a•2x-43a)(a≠0),且函数f(x)与g(x)的图象有且只有一个公共点,求实数a的取值范围. 查看答案
题型:判断题 — Can you lend me the book Gone with the Wind? — Sorry. I returned it to the library just now. Maybe it is still ____.A.availableB.affordableC.acceptableD.valuable 查看答案