A.y=x与y=
| B.y=
| ||||||||
C.y=(
| D.y=
|
x2 |
x |
x |
x |
x+1 |
x-1 |
(x+1)(x-1) |
|
A.10 | B.9 | C.8 | D.7 |
A.1 | B.0 | C.0或1 | D.1或2 |
A.f(x)=
| B.f(x)=|x|,g(x)=
| |||||||
C.f(x)=
| D.f(x)=x0,g(x)=1 |
| ||
|x+2| |
| ||
x+2 |
1 |
6 |
5 |
6 |
x-1 |
x-2 |
x2-3x+2 |
3 | x3 |
A.1组 | B.3组 | C.2组 | D.4组 |
x2 |
x |
x |
x |
x+1 |
x-1 |
(x+1)(x-1) |
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