題目列表(包括答案和解析)
| |MP| |
| |MQ| |
| A、f(λ)在(0,1)上是增函數(shù),在(1,+∞)上也是增函數(shù) |
| B、f(λ)在(0,1)上是減函數(shù),在(1,+∞)上也是減函數(shù) |
| C、f(λ)在(0,1)上是增函數(shù),在(1,+∞)上是減函數(shù) |
| D、f(λ)在(0,1)上是減函數(shù),在(1,+∞)上是增函數(shù) |
設(shè)M={0,1,2,4,5,7},N={1,4,6,8,9},P={4,7,9},則(M
N)
(M
P)等于
[ ]
|
A.{1,4} |
B.{1,7} |
|
C.{4,7} |
D.{1,4,7} |
設(shè)
M={0,1,2,4,5,7},N={1,4,6,8,9},P={4,7,9},則(M[
]|
A .{1,4} |
B .{1,7} |
|
C .{4,7} |
D .{1,4,7} |
| ||
| 3 |
| ||
| 3 |
| 3 |
| MP |
| 1 |
| 2 |
| MN |
| A、(-8,1) | ||
B、(-1,-
| ||
C、(1,
| ||
| D、(8,-1) |
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