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Lesson Plan: Composite Functions Mathematics • Second Year of Secondary School
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to form a composite function by composing two or more functions.
Objectives
Students will be able to
- understand the definition of a composite function,
- recognize notation for function composition,
- form a composite function using two given functions and ,
- form a specified composite function involving more than two functions (or by composing a single function with itself),
- understand that, in general, function composition is not commutative,
- find the domain and range of a composite function,
- evaluate a composite function at a given value of when given the two (or more) original functions algebraically or graphically or when relevant values of both are given.
Prerequisites
Students should already be familiar with
- finding the domain and range of a function.
Exclusions
Students will not cover
- finding the inverse of a function,
- combining functions (using addition, subtraction, multiplication, or division).
