lnx |
x2 |
ln1 |
14 |
ln2 |
24 |
ln3 |
34 |
lnn |
n4 |
1 |
2e |
1-2lnx |
x3 |
e |
e |
e |
e |
e |
e |
1 |
2e |
1 |
e2 |
1 |
2e |
1 |
2e |
1 |
e2 |
1 |
e2 |
1 |
2e |
e |
e |
1 |
2e |
lnx |
x2 |
1 |
2e |
lnx |
x4 |
lnx |
x2 |
1 |
x2 |
1 |
2e |
1 |
x2 |
ln1 |
14 |
ln2 |
24 |
ln3 |
34 |
lnn |
n4 |
ln2 |
22 |
1 |
22 |
ln3 |
32 |
1 |
32 |
lnn |
n2 |
1 |
n2 |
1 |
2e |
1 |
22 |
1 |
32 |
1 |
n2 |
1 |
2e |
1 |
1×2 |
1 |
2×3 |
1 |
(n-1)•n |
1 |
2e |
1 |
1 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
(n-1) |
1 |
n |
1 |
2e |
1 |
1 |
1 |
n |
1 |
2e |
ln1 |
14 |
ln2 |
24 |
ln3 |
34 |
lnn |
n4 |
1 |
2e |
A.{(x,y)|y≥x2} | B.{(x,y)|
| |||||
C.{(x,y)|x2+y2-2y≥0} | D.{(x,y)|3x2+2y2-12<0} |
A.27个 | B.9个 | C.21个 | D.12个 |
a |
a |
a |
a |
b |
a |
b |
a |
b |
0 |
0 |
a |
a |
a |
e |
a |
a |
a |
e |
a |
b |
a |
b |
a |
b |
2 |
3 |
f(x1)f(x2) |
A.①③④ | B.②④ | C.①③ | D.③ |
a |
b |
c |
a |
c |
a |
c |
b |
c |
c |
a |
c |
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