Solve the problem. Give the answer to the nearest tenth.The position of an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 18 feet?
A. 9.6 sec
B. 9.8 sec
C. 18.0 sec
D. 19.0 sec
Answer: B
Mathematics
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