Question

The function f(x)= 9√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 26 feet. If necessary, round your answer to the nearest tenth.

Answer 1

Answer:

45.9ft/s

Step-by-step explanation:

Simply plug your given value into the function

$f(26)=9\sqrt{26} = 45.9 (1.d.p.)$