Asked by lisa
                The function f(x)=5 square root of x 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 25 feet. If necessary, round your answer to the nearest tenth.
            
            
        Answers
                    Answered by
            MathMate
            
    Not sure if there is a typo in your question, the speed is 
y(x)=5√(x)=5√(25)=25
This corresponding an equivalent acceleration approximately that of Mars.
    
y(x)=5√(x)=5√(25)=25
This corresponding an equivalent acceleration approximately that of Mars.
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