Let D = {x| x is a state in the United States} be the domain, and let ƒ(x) = "the state capital" be the possible function. Determine if the relation is an example of a function.

At work claire has a deadline that is rapidly approaching. as she works, she finds that she is doing more work in a shorter amount of time than usual. she thinks mor quickly, and her senses and memory are sharper. what is responsible for claire working more effectively?