Page 32 - Mathematics_Form_3

Relations

6. R = { (x, y ) : x + y < 1 and 11.
y < x − 1} . y
5
7. R = {(x, y ) : 1 < x < 6 and
2 < y < 8} . 4
FOR ONLINE READING ONLY
8. R = {(x, y ) : 0 < x < 5 and y > 3} . 3

2
In questions 9 to 14, draw the graph
1
of the inverse of each of the given
relations, hence find the domain and -3 -2 -1 0 1 2 3 x
range of the inverse relation. -1
-2
9.
y 12.
6 y
5
y=2x
4 3
3 y=2
2
2
1 1
x=-2
-6-5 -4-3-2-1 0 1 2 3 4 x
-1 -4 -3 -2 -1 0 1 2 x
-2
-1
-3
-4 -2
-5
-6
13.
10. y
3
y
3 y+x=0
2
2 y = x + 4 Mathematics for Secondary Schools
2
1
1
x
-5 -4 -3 -2 -1 0 1 2 3 x -3 -2 -1 0 1 2 3
-1
-1
-2
-2
-3
-3

Student\s Book Form Three 25

18/09/2025 09:58:47
MATHEMATIC F3 SB.indd 25
MATHEMATIC F3 SB.indd 25 18/09/2025 09:58:47