1-tanx |
π |
2 |
π |
2 |
π |
2 |
π |
4 |
π |
2 |
π |
4 |
A.[-2,3] | B.[-1,4] | C.[1,6] | D.[-4,1] |
| ||
x+1 |
A.(-∞,3] | B.(-∞,-1)∪(-1,+∞) |
C.(-∞,-1)∪(-1,3) | D.(-∞,-1)∪(-1,3] |
ax |
1+ax |
1 |
2 |
1 |
2 |
A.[-1,1] | B.[0,1] | C.{-1,0} | D.{-1,1} |
A.y=x
| B.y=x-1 | C.y=x
| D.y=x2 |
© 2017-2019 超级试练试题库,All Rights Reserved.