1+x2 |
1-x2 |
A.f(-x)=f(x) | B.f(
| C.f(
| D.f(-
|
1+x2 |
1-x2 |
1+(-x)2 |
1-(-x)2 |
1+x2 |
1-x2 |
1 |
x |
1+(
| ||
1-(
|
x2+1 |
x2-1 |
1 |
x |
1 |
x |
1+(-
| ||
1-(-
|
x2+1 |
x2-1 |
1 |
x |
A.0 | B.1 | C.2 | D.3 |
-2x 3 |
-2x |
2 |
x |
f(2x) |
x-2 |
6 |
a |
A.f(x)=
| B.f(x)=
| |||||||||||
C.y=
| D.y=x0,y=
|
A.m<-1 | B.m≤-1 | C.-1<m<0 | D.-2<m<0 |
© 2017-2019 超级试练试题库,All Rights Reserved.