Solve the problem. Round answer to the nearest tenth, if necessary.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 will it take the object to move ?

A. 9.7 sec
B. 20.0 sec
C. 9.9 sec
D. 20.9 sec


Answer: C

Mathematics

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