ex-e-x |
2 |
ex+e-x |
2 |
-(k2+3k+9) |
2 |
k2+3k+9 |
2 |
k2+3k+9 |
2 |
(k+
| ||||
2 |
27 |
8 |
ex-e-x |
2 |
ex+e-x |
2 |
e2x+e-2x |
2 |
e2x-2+e-2x |
4 |
e2x+2+e-2x |
4 |
e2x+e-2x |
2 |
A.f(7.8)<f(5.5)<f(-2) | B.f(5.5)<f(7.8)<f(-2) |
C.f(-2)<f(5.5)<f(7.8) | D.f(5.5)<f(-2)<f(7.8) |
A.1 | B.2 | C.3 | D.4 |
1 |
2 |
1 |
2 |
3 |
4 |
1 |
2 |
2 |
3 |
a |
b |
a |
b |
a |
b |
a |
b |
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