Find two functions f and g such that h (x)= [f x g] (x) when h(x)= √(x-1)/3. Neither function may be the identity function f(x)=x

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28