x+b |
ax2+1 |
x+b |
ax2+1 |
x |
ax2+1 |
ax2+1-x×2ax |
(ax2+1)2 |
-ax2+1 |
(ax2+1)2 |
-a +1 |
(a+1)2 |
x |
x2+1 |
-x2+1 |
(x2+1)2 |
-x02+1 |
(x02+1)2 |
x0 |
x02+1 |
-x02+1 |
(x02+1)2 |
x0 |
x02+1 |
-x02+1 |
(x02+1)2 |
2x03 |
(x02+1)2 |
2x02(x02+1)(3-x02) |
(x02+1)4 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3
| ||
8 |
3 |
3
| ||
8 |
3
| ||
8 |
3
| ||
8 |
A.f(-1)>f(3) | B.f(-1)<f(3) |
C.f(-1)=f(3) | D.大小关系不确定 |
A.奇函数且是周期函数 | B.偶函数且是周期函数 |
C.奇函数不是周期函数 | D.偶函数不是周期函数 |
2x+a |
2x-1 |
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