π |
2 |
x+y |
2 |
1 |
2 |
1 |
4 |
1 |
2 |
1+0 |
2 |
1 |
4 |
| ||
2 |
1 |
2 |
3 |
4 |
1+
| ||
2 |
1 |
2 |
1 |
2 |
| ||||
2 |
3 |
4 |
1 |
4 |
1 |
2 |
π |
2 |
1 |
2 |
π |
6 |
π |
6 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
π |
6 |
π |
3 |
π |
6 |
π |
3 |
π |
2 |
π |
6 |
3π |
2 |
π |
3 |
5π |
6 |
π |
3 |
5π |
6 |
A.f(x)=x2 | B.f(x)=3x | C.f(x)=2x | D.f(x)=lnx |
|
|
A.[-9,0] | B.[-8,0) | C.[-8,1] | D.[-9,1] |
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