1 |
3 |
A.y=3f(3x) | B.y=
| C.y=
| D.y=3f(
|
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
x+2 |
1 |
x-4 |
A.(0,0) | B.(1,0) | C.(-2,0) | D.(4,0) |
A.沿x轴向右平移1个单位 | ||
B.沿x轴向右平移
| ||
C.沿x轴向左平移1个单位 | ||
D.沿x轴向左平移
|
A.y=sinx | B.y=cos(x+
| C.y=lgx | D.y=x2 |
2 |
x |
x |
A.102x-1 | B.102x | C.102x+1 | D.102x+2 |
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