2-x |
1+x |
a |
3 |
x |
a |
A.(1,-1) | B.(1,1) | C.(-1,-1) | D.(-1,1) |
2-x |
1+x |
3 |
x+1 |
3 |
x |
a |
A.向右平移1个单位 | B.向左平移1个单位 | ||||
C.向右平移
| D.向左平移
|
x |
x+1 |
1 |
2 |
a |
1 |
x |
A.y=
| B.y=
| ||||
C.y=
| D.y=
|
A.y=f(x-1)+2 | B.y=f(x-1)-2 | C.y=f(x+1)+2 | D.y=f(x+1)-2 |
a |
a |
A.(-1,1) | B.(1,-1) | C.(1,1) | D.(-1,-1) |
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