Form 4 Additional Mathematics Chapter 1 Notes

Chapter 1 : Functions

1.1 Relations

1) Represented by

2) Components

3) Types of relations

1.2 Functions 

1) Function

2) Absolute value function

1.3 Composite Functions

1) Normal : Find gf(x)

2) Given gf(x) and g(x), find f(x)

3) Given gf(x) and f(x), find g(x)

1.4 Inverse Functions

1) Given f(x), find f-1(x)

2) Given f-1(x), find f(x)