A.y=x和y=
| B.y=1和y=(x-1)0 | ||||
C.y=|x-1|和y=
| D.y=
|
x2 |
x2-2x+1 |
x2 |
x |
A.0个 | B.1个 | C.2个 | D.不能确定 |
A.函数f(x)=log2(x+
| ||||
B.函数y=3x与y=log3x图象关于直线y=x对称 | ||||
C.y=x2与y=a2logax(a>0,且a≠1)表示同一函数 | ||||
D.若0<a<1,0<m<n<1,则一定有logam>logan>0 |
1 |
2 |
x |
A.y=x,y=
| B.y=lgx2,y=2lgx | |||
C.y=|x|,y=(
| D.y=1,y=x0 |
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