3 |
x |
A.图象经过点(1,-3) |
B.图象在第二、四象限 |
C.x>0时,y随x的增大而增大 |
D.x<0时,y随x增大而减小 |
3 |
x |
-1 |
x |
A.第一、三象限 | B.第二、四象限 |
C.第一、二象限 | D.第三、四象限 |
k |
x |
A.1 | B.2 | C.3 | D.4 |
2 |
x |
A.1个 | B.2个 | C.3个 | D.4个 |
3 |
x |
-1 |
2x |
-3 |
100x |
0.2 |
x |
A.1 | B.2 | C.3 | D.4 |
k |
x |
A.2 | B.-2 | C.
| D.-
|
© 2017-2019 超级试练试题库,All Rights Reserved.