x |
f(x) |
1 |
2 |
x |
f(x) |
x |
x2+bx+c |
x |
x2+c |
1 | ||
x+
|
c |
x |
c |
c |
1 | ||
2
|
1 | ||
2
|
1 | ||
2
|
1 |
2 |
b |
2 |
b2 |
4 |
b |
2 |
b |
2 |
b |
2 |
b |
2 |
b2 |
4 |
1 |
3 |
1 |
2 |
3 |
2 |
a |
x |
1 |
2 |
1 |
2 |
ln(x+n)-n |
x+n |
1 |
n(n+1) |
x |
ex-1 |
1 |
en+1+e•n |
2x+1 |
x-1 |
A.3 | B.4 | C.5 | D.6 |
lnx |
1+x |
1 |
2 |
1 |
2 |
A.①④ | B.②④ | C.②⑤ | D.③⑤ |
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