f(2) |
f(1) |
f(4) |
f(3) |
f(2010) |
f(2009) |
f(2012) |
f(2011) |
f(x+1) |
f(x) |
f(2) |
f(1) |
f(4) |
f(3) |
f(2010) |
f(2009) |
f(2012) |
f(2011) |
2 |
2x+1 |
1 |
2 |
1 |
2 |
2x+3 |
x-1 |
A.-
| B.-1 | C.-
| D.-3 |
1 |
2 |
A.(0,+∞) | B.(0.5,8) | C.(0,16] | D.[0,16] |
A.y=x2 | B.y=-x | C.y=
| D.y=-|x|+1 |
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