ONE QUESTION, ONE STEP
ZX-4ADB6F52FABluebook试题9 · 第 20 题
Bluebook试题9 · 原库模块 3 · Q20 原库参考解析
The quadratic function g models the depth, in meters, below the surface of the water of a seal t minutes after the seal entered the water during a dive. The function estimates that the seal reached its maximum depth of 302.4 meters 6 minutes after it entered the water and then reached the surface of the water 12 minutes after it entered the water. Based on the function, what was the estimated depth, to the nearest meter, of the seal 10 minutes after it entered the water?
参考答案:
解题思路
容易忽略的一步
