Question: The function f ( x) = 8vx gives the speed in feet per second (ft/s) of a free-falling object after it has fallen x feet

The function f ( x) = 8vx gives the speed in feet per second (ft/s) of a free-falling object after it has fallen x feet (ignoring air resistance). Find the speed of the object after it has fallen 47 feet. If necessary, round your answer to the nearest tenth. O 19.4 ft/s O 6.9 ft/s O 54.8 ft/s 376 ft/s\f

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