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