|
|
|
|
k+2 |
2 |
k+2 |
2 |
k+2 |
2 |
|
1 |
3 |
A.3
| B.-3 | C.
| D.
|
f(x)+f(-x) |
x |
A.(-∞,-1)∪(0,1) | B.(-1,0)∪(1,+∞) | C.(-∞,-1)∪(1,+∞) | D.(-1,0)∪(0,1) |
A.a≠0,c=0 | B.a=0,c≠0 | C.b=0 | D.b=0,c=0 |
f2(1)+f(2) |
f(1) |
f2(2)+f(4) |
f(3) |
f2(3)+f(6) |
f(5) |
f2(4)+f(8) |
f(7) |
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