What’s a hyperbole The definition and May I have an example

Does anyone know the answers to k12 1.18 unit test: the power of poetry (need answers asap)all the questions are here:

Ineed asap plzzz why is the mountain goat known as the poor man's cow? a. it is a cheap source of food. b. it is smaller than a cow. c. it looks like a cow.

If music be the food of love, play on; give me excess of it, that, surfeiting, the appetite may sicken, and so die. that strain again! it had a dying fall: o, it came o'er my ear like the sweet sound, that breathes upon a bank of violets, stealing and giving odour! now read the excerpt from "the love song of j. alfred prufrock." for i have known them all already, known them all: have known the evenings, mornings, afternoons, i have measured out my life with coffee spoons; i know the voices dying with a dying fall beneath the music from a farther room. what does the phrase "dying fall" most likely mean in both excerpts