>>537876426
I guess start here? https://en.wikipedia.org/wiki/Graph_of_a_function
Wikipedia is so dense on mathematics.
Or maybe this is a kind of overview? Lacks trigonometry functions though. https://math.libretexts.org/Courses/University_of_California_Davis/UCD_Mat_21A%3A_Differential_Calculus/1%3A_Functions/1.1%3A_Functions_and_Their_Graphs
