If Michael is pitched 20 balls he will at least hit ten of them!
function composition is an operation that takes two functions f and g and produces a function h such that h(x) = g(f(x)). In this operation, the function g is applied to the result of applying the function f to x.
Imagine 2 as 2.0 and add 3.5 and that equals 5.5 add 3.5 equals 9.0. the anser is no because 5.5 it says equals 9.9 but it makes 9.0