Answer:
the authors purpose in a passage can be to inform
persuade
or entertain
Step-by-step explanation:
when the author writes an INFORMATIVE passage it means they are trying to teach you something an example of one would be this i am writing down things to teach you something
when they write a PERSUASIVE passage they are trying to get you to believe or think the same things as them an example of one would be a book or something telling you why a book or movie is the best book ever
When the author is writing a book that is ment for ENTERTAINING they are trying to give you a good story to entertain you. an example of one would be like Harry potter or ramie nytingale