A person on a bicycle starts 110 feet away and rides towards a checkpoint, passing it. The rider travels at a constant rate of 30 feet per second. The distance between the bicycle and the checkpoint is given by the equation [tex]d = |110 - 30t|[/tex].
At what times is the bike 40 feet away from the checkpoint?
A. 2.3 sec and 5 sec
B. 1.6 sec and 5 sec
C. 2.3 sec and 4.6 sec
D. 1.6 sec and 4.6 sec
Answer (3)
A. 2.3 sec and 5 sec ;
Answer:
2.3 sec and 5 sec
Step-by-step explanation:
The bicycle is 40 feet away from the checkpoint at 2.3 seconds and 5 seconds. The correct answer is option A. 2.3 sec and 5 sec.
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