ax |
x2+b |
ax |
x2+b |
ax |
x2+b |
a(x2+b)-ax(2x) |
(x2+b)2 |
|
|
|
4x |
x2+1 |
4(x2+1)-4x(2x) |
(x2+1)2 |
4-4x2 |
(x2+1)2 |
4x |
x2+1 |
|
4-4x2 |
(x2+1)2 |
4-4x02 |
(x02+1)2 |
2 |
(x02+1)2 |
1 |
x02+1 |
1 |
x02+1 |
1 |
2 |
1 |
2 |
A.x2-2x | B.x2-2 | C.-x2+2x | D.x2+2x |
2 |
1 |
12 |
A.f(-
| B.f(x+y)=f(x)+f(y) | C.f(x+1)=f(x) | D.0≤f(x)<1 |
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