1.1 Relation.. Add Math F4Chap 1 : FUNCTIONS

Roiamah Basri - SMKTT

Relation - any set of ordered-pair numbers. Table shows the number of siblings of 5 students

Student 1 2 3 4 5

Number of siblings

5 4 2 4 1

Roiamah Basri - SMKTTArrow diagram

1

2

3

4

5

5

4

2

1

Student 1 2 3 4 5

Number of siblings

5 4 2 4 1

Roiamah Basri - SMKTT

Ordered pairs

{ (1, 5), (2, 4), (3, 2), (4, 4), (5, 1) }

Student 1 2 3 4 5

Number of siblings

5 4 2 4 1

Student 1 2 3 4 5

Number of siblings

5 4 2 4 1

x

y

2 4 6

2

6

4

Graph

Roiamah Basri - SMKTT

1

2

3

4

5

5

4

2

1

Student 1 2 3 4 5

Number of siblings

5 4 2 4 1

Domain(object)

Range(image)

Roiamah Basri - SMKTT

Types of

relationmany

to many

one to

manyone to

one

many to

one