px2+2 |
x-q |
px2+2 |
x-q |
4p+2 |
2-q |
px2+2 |
x-q |
px2+2 |
-x-q |
px2+2 |
x+q |
px2+2 |
x-q |
2x2+2 |
x |
2 |
x |
2(x1-x2) |
x1x2 |
x1x2-1 |
x1x2 |
A. | B. | C. | D. |
1-x |
A.f′(x)>0,g′(x)>0 | B.f′(x)>0,g′(x)<0 |
C.f′(x)<0,g′(x)>0 | D.f′(x)<0,g′(x)<0 |
| ||
|x+3|-3 |
A.y轴对称 | B.直线y=x对称 |
C.坐标原点对称 | D.x轴对称 |
© 2017-2019 超级试练试题库,All Rights Reserved.