Having Trouble With Practice Problem, Please Help

Question

Find an expression for a function that takes a real number f(x) and performs the following three steps in the order given: (1) subtract 5 (2) divide by 2 (3) square the result

Answer 1

Find an expression for a function that takes a real number f(x) and performs the following three steps in the order given: (1) subtract 5 (2) divide by 2 (3) square the result

I think you just go in order using f(x) as the expression, first subtract 5, then divide by 2 and square the whole thing.

((f(x)-5)/2)²