x |
3 |
y |
2 |
kx |
3 |
3 |
2 |
|
x |
3 |
y |
2 |
y |
2 |
x |
3 |
log2(x+1) |
2 |
x |
3 |
log2(3x+1) |
2 |
kx |
3 |
|
3 |
2 |
3 |
2 |
1 |
3 |
ln2007 |
2007 |
ln2008 |
2008 |
ln2009 |
2009 |
A.a<b<c | B.c<b<a | C.c<a<b | D.b<a<c |
ln(x+1) | ||
|
A.(-1,+∞) | B.(-∞,1) | C.(-1,1) | D.(-1,1] |
A.(5,+∞)∪(-∞,-1) | B.(-5,-1) |
C.(-1,5) | D.(-∞,-5)∪(-1,+∞) |
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