ONE QUESTION, ONE STEP
ZX-727A98CB7E2025年5月国际A卷 · 第 17 题
2025年5月国际A卷 · 原库模块 1 · Q17 原库参考解析
\( h\left(t\right)=-16t^2+b \)
The function h estimates an object's height, in feet, above the ground t seconds after the object is dropped, where b is a constant. The function estimates that the object is 40.96 feet above the ground when it is dropped at \( t=0 \) . How many seconds after being dropped does the function estimate the object will hit the ground?
参考答案：
解题思路
容易忽略的一步
