What is functional composition? Question 26 options: a) a functional form that takes a single function and yields a list of values obtained by applying the given function to a list of parameters b) a functional form that takes two functions and yields a function whose value is result of applying both functions c) a functional form that takes no parameters and returns a fixed value based on a mathematical function mapping d) a functional form that takes one parameter and returns a list that contains an evaluation of that function at all possible values