What do function question ask you to do?
They tell you to move beyond the literal meaning of a section of a passage, or a passage as a whole, to understanding their larger purpose.
Types of function questions fall into two caterorgies, what are they?
Things to ask yourself as reading the passage.
What is the purpose of the underlined statement within the passage as a whole?
Or
What point does the underlined statement serve to support?
What is a main point?
Main point is the primary argument the author is making. It is usually stated more or less directly in the passage, usually in the introduction and conclusion.
What is a primary purpose?
The primary purpose is the rhetorical goal of the passage as a whole (e.g., explain, emphasize, describe). While the primary purpose is based on the overall passage, there is often a key sentence that will point to a particular answer.