ONE QUESTION, ONE STEP
ZX-3C71302FDE2026年9月国际C卷练习 · 第 16 题
2026年9月国际C卷练习 · 原库模块 1 · Q16 参考答案
An object is launched from a height of 129 feet above the ground. A quadratic function \( f \) models the height above the ground, in feet, of the object \( t \) seconds after it is launched. According to the model, 2 seconds after the object is launched, it reaches a maximum height of 193 feet above the ground.
Which equation defines \( f \)?
Which equation defines \( f \)?
参考答案：
解题思路
容易忽略的一步
