1 |
2 |
2 |
A.y1>y2>y3 | B.y3>y2>y1 | C.y2>y1>y3 | D.y3>y1>y2 |
1 |
2 |
2 |
1 |
5 |
A.(2,-1) | B.(-2,-1) | C.(-2,1) | D.(2,1) |
A.(1,3) | B.(-1,-3) | C.(1,-3) | D.(-1,3) |
A.(2,-3),直线x=2 | B.(-2,3),直线x=2 |
C.(-2,3),直线x=-2 | D.(-2,-3),直线x=-2 |
A.y=-4x | B.y=-
| C.y=-x2-x | D.y=-x-1 |
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