3 |
2 |
1 |
6 |
1 |
4 |
1 |
2 |
1 |
8 |
1 |
2 |
1 |
n+1 |
3 |
2 |
1 |
6 |
a |
3 |
a2 |
6 |
1 |
6 |
1 |
4 |
1 |
2 |
1 |
8 |
|
|
3 |
2 |
1 |
2 |
1 |
n+1 |
2 |
3 |
1 |
6 |
1 |
3 |
1 |
k+1 |
3 |
2 |
1 |
3 |
1 |
3 |
1 |
k+1 |
1 |
3 |
1 |
k+1 |
1 |
k+1 |
3 |
2 |
1 |
(k+1)2 |
1 |
k+2 |
1 |
k+2 |
1 |
k+2 |
k+4 |
2(k+1)2(k+2) |
1 |
k+2 |
1 |
n+1 |
1 |
2 |
25 |
4 |
|f(x)|-f(x) |
2 |
A.a≤-4 | B.a≥-4 | C.a≤4 | D.a≥4 |
-4•3x+m |
9x |
A.(-∞,-4] | B.(-∞,0] | C.[-4,+∞) | D.(0,+∞) |
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