题目
题型:填空题难度:一般来源:不详
f(n)+1 |
2 |
答案
f(n)+1 |
2 |
所以f(2)=
1+2 |
2 |
3 |
2 |
1+
| ||
2 |
5 |
4 |
1+
| ||
2 |
9 |
8 |
故答案为
9 |
8 |
核心考点
举一反三
x+
| ||||
[x]•[
|
1 |
3 |
(1)求f(
3 |
2 |
(2)若在区间[2,3)上存在x,使得f(x)≤k成立,求实数k的取值范围.
|x|-1 |
f(n)+1 |
2 |
f(n)+1 |
2 |
1+2 |
2 |
3 |
2 |
1+
| ||
2 |
5 |
4 |
1+
| ||
2 |
9 |
8 |
9 |
8 |
x+
| ||||
[x]•[
|
1 |
3 |
3 |
2 |
|x|-1 |