Function and its representation are hot spots, and it is possible to fill in the blanks or ask big questions, with a score of 5 or 12.
The basic nature of function is the focus and hot spot of college entrance examination. There are 1 multiple choice questions or fill-in-the-blank questions, and a big question combined with derivative investigation may be the finale. The score is around 20 points.
Compulsory one is very important, especially the function permeates the whole high school numbers.
As for elective courses, although different provinces and cities, but mainly matrix transformation, inequality selection, geometric proof selection, polar coordinates, parameter equation, each school chooses independently, so the situation is different.