Year 13/A2 Pure Chapter 2.1 (Functions)

Welcome to Chapter 2 of Year 13 Pure Maths! This chapter is all about functions, and begins here by introducing the modulus function - |𝑥| - and examples involving its use.

This lesson is meant as preparation for Exercise 2A, page 26 of the Pearson Edexcel Pure Mathematics Year 2/A2 Textbook.

#differentiation #calculus #alevelmaths #9MA0

Introduction: 00:00
Solution to Warm-Up Q1: 0:52
Solution to Warm-Up Q2: 3:12
Solution to Warm-Up Q3: 7:40
Solution to Warm-Up Q4: 9:57

THE MODULUS FUNCTION

Introduction: 16:00

SKETCHING MODULUS FUNCTIONS

Method A: 20:57
Method B: 23:17

Worked Example (Building a sketch): 29:44

SOLVING MODULUS EQUATIONS AND INEQUALITIES

Introduction: 33:54
Worked Example 1: 35:28
Worked Example 2: 39:19
Worked Example 3: 45:55

Suggested Exercises: 49:40