题目内容
已知x＞0，则函数y=x
的最大值是______．
| 3-4x2 |
∵x＞0
∴y=x
=
≤
×
=
故答案为：
∴y=x
| 3-4x2 |
| 1 |
| 2 |
| (3-4x2)•4x2 |
| 3-4x2+4x2 |
| 2 |
| 1 |
| 2 |
| 3 |
| 4 |
故答案为：
| 3 |
| 4 |
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题目内容
| 3-4x2 |
| 3-4x2 |
| 1 |
| 2 |
| (3-4x2)•4x2 |
| 3-4x2+4x2 |
| 2 |
| 1 |
| 2 |
| 3 |
| 4 |
| 3 |
| 4 |