HL 1.2 - Function basics
SL 2.2: Concept of a function and its domain, range & graph; function notationSL 2.3: Graphs of functionsSL 2.5: Composite functions; finding the domain of a composite function You studied linear equations in the previous section. Most linear equations with two variables can also be classified as a function - the most important type of equation in this course. Understanding the concept of a function and being...