y |
2x |
1 |
4 |
| ||
2 |
1 |
2 |
5 |
8 |
4x |
x2-4 |
2 |
x-2 |
1 |
x+2 |
π |
2 |
1 |
4 |
3 |
1 |
10 |
100 |
8 |
10 |
16 |
1 |
2 |
4x |
x2-4 |
2 |
x-2 |
1 |
x+2 |
A.[3,13] | B.[4,12] | C.[3,13) | D.[4,12) |
|
A.ac<bc⇒a<b | B.a>b,c>d⇒ac>bd |
C.a<b⇒a2<b2 | D.ac2<bc2⇒a<b |
1 |
a |
A.p≥π>q | B.p>q≥0 | C.4>p≥q | D.p≥q>0 |
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