问题:
函数y=log a(x-1)+1(a>0,a≠1)恒过定点( )
A.(2,2)
B.(2,1)
C.(1,-1)
D.(1,0)
函数y=log a(x-1)+1(a>0,a≠1)恒过定点( )
A.(2,2) | B.(2,1) | C.(1,-1) | D.(1,0) |
参考答案: