ONE QUESTION, ONE STEP
ZX-F750CFE80F2023年10月A卷练习 · 第 1 题
2023年10月A卷练习 · 原库模块 1 · Q1 原库参考解析
s =50 +4t
The equation gives the speed s, in miles per hour, of a certain car t seconds after it began to accelerate. What is the speed, in miles per hour, of the car 2 seconds after it began to accelerate?
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