一小球被抛出后，距离地面的高度h（米）和飞行时间t（秒）满足下面函数关系式：h=﹣5（t﹣1）2+6，则小球距离地面的最大高度是_1．_刷题宝

题干

一小球被抛出后，距离地面的高度h（米）和飞行时间t（秒）满足下面函数关系式：h=﹣5（t﹣1）²+6，则小球距离地面的最大高度是____．

上一题下一题 0.0难度选择题更新时间:2011-06-02 10:07:38

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6米

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