题目内容
已知函数f(x)=
,则f[f(
)]的值是______.
|
| 1 |
| 8 |
由于函数f(x)=
,则f(
)=log2
=log22-3=-3,f(3)=3-3=
=
.
故答案为:
.
|
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 33 |
| 1 |
| 27 |
故答案为:
| 1 |
| 27 |
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