幂函数f(x)=xα的图象过点(2,4),那么函数f(x)的单调递增区间是( ).
(0,+∞)
- I heard that Lucy went to your house to say sorry to you.
- Yes. She went to my house _______ we were having dinner.
A. while B. which C. that
安德烈·包尚