Do you have a picture of the question, or do you have anymore information to answer this? such as what type of graph they’re talking about, and what data.
Ur answer is the last choice
Philosophers, theologists, psychologists and economists have long sought to define happiness and since the 1990’s a whole branch of psychology has been dedicated to pinning it down and propagating it, more than simply positive mood. Happiness is a state of well-being that encompasses living a good life. For example, life with a sense of meaning and deep satisfaction.