1 |
2 |
x2+1 |
9 |
2 |
1 |
2 |
x2+1 |
9 |
2 |
x2+1 |
1 |
2 |
x2+1 |
9 |
2 |
x2+1 |
15 |
3 |
3 |
15 |
15 |
3 |
3 |
15 |
1 |
2 |
x2+1 |
9 |
2 |
1 |
2 |
9 |
2 |
x2+1 |
x2+1 |
1 |
2 |
9 |
2 |
x2+1 |
| ||||
|
1 |
2 |
x2+9 | ||
|
1 |
2 |
x2+1 |
8 | ||
|
1 |
2 |
x2+1 |
8 | ||
|
1 |
2 |
8 |
2 |
2 |
| ||||
|
1 |
2 |
x2+9 | ||
|
2 |
b |
x2 |
b |
x2 |
b |
3 |
|
| ||
2 |
3
| ||
2 |
2 |
|
A.K的最大值为2 | B.K的最小值为2 |
C.K的最大值为1 | D.K的最小值为1 |
A.(-a,f(a)) | B.(-a,-f(a)) | C.(-a,-f(-a)) | D.(a,-f(a)) |
1 |
x |
A.y轴对称 | B.直线y=-x对称 |
C.坐标原点对称 | D.直线y=x对称 |
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