f(2) |
f(1) |
f(4) |
f(2) |
f(6) |
f(3) |
f(8) |
f(4) |
f(20) |
f(10) |
f(2x) |
f(x) |
f(x+1) |
f(x) |
f(2n) |
f(n) |
f(2) |
f(1) |
f(4) |
f(2) |
f(6) |
f(3) |
f(8) |
f(4) |
f(20) |
f(10) |
2(1-210) |
1-2 |
|
A.(-∞,-1)∪[1,+∞) | B.(-∞,-1]∪(0,+∞) | C.[0,+∞) | D.[1,+∞) |
1 |
2 |
1 |
2 |
f(2) |
f(1) |
f(4) |
f(3) |
f(6) |
f(5) |
f(8) |
f(7) |
f(2014) |
f(2013) |
|
A.{x|x≤-1} | B.{-1+
| ||||
C.{x|x≤-1或x=-1+
| D.{x|x<-1或x=-1+
|
2 |
3 |
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