In mathematics, precalculus refers to a course which includes both algebra and trigonometry and prepares students for the examination of calculus. Usually, schools differentiate algebra from trigonometry.
To better understand the precalculus process, it is important to outline the concept of calculus.
The term calculus refers to a mathematical methodology used for determining a result. There are different types of calculus such as the calculus of propositional logic, the calculus of probabilities and the calculus of set operation. However, the term relates also to the integral calculus and the calculus of infinite series. In this context, calculus is associated with all the procedures and methodologies adopted to solve problems in the analysis of changes. Additionally, this calculus is used for solving geometrical projects.
To understand calculus, a pre-calculus course must outline the following topics:
Equations and functions in a visual and algebraic context;
Numbers and variables in the context of algebra;
Applications of functions on real-world issues;
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