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Who can tell me in detail how to do the maximum and minimum values of the compulsory 1 mathematical function part in senior high school?
The best way is to draw an image of the function, just look at the picture; Otherwise, according to the monotonicity of the function, the maximum values of different monotone intervals are calculated and compared to draw a conclusion; The most basic thing is that you need to know how to solve the range of general functions, and you need to use the knowledge of derivatives to solve higher or transcendental functions!