I saw him a large box in his hands and enter the room.
A:hold
B:click
C:find
D:choose
下列函数中,满足“f(x+y)=f(x)f(y)”的单调递增函数是( )
已知如图,A是反比例函数y=kx的图象上的一点,AB丄x轴于点B,且△ABO的面积是3,则k的值是( )