The position of car A and car B, starting out side by side and traveling along a straight road, is given by and
, respectively, where s is measured in feet and t is measured in seconds (see the accompanying figure) .
Which car is traveling faster at
?
A) Car A is traveling faster at , car A is traveling faster at
, cars are traveling at the same speed at
B) Cars are traveling at the same speed at , car A is traveling faster at
, car B is traveling faster at
C) Car B is traveling faster at , car A is traveling faster at
, car A is traveling faster at
D) Car B is traveling faster at , cars are traveling at the same speed at
, car A is traveling faster at
Correct Answer:
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