Page 183 - Mathematics_Form_3

Answers

8. y
Domain = { :xx∈ }
6
y = 5 Range = { :yy ≥− } 4
5 5
4
11. y
FOR ONLINE READING ONLY
3
x = 3 3
2
2
1 1 x=-2y+4
y = 0 1
-1 0 1 2 3 3 4 4 5 5 x x=0
-1 -1 0 0 1 1 2 3 4 5 x
-1
Domain = { :xx > } 3 -2 x=2y+4

Range = { :0y < y < } 5 -3

9. y -4
Domain = { :0x ≤≤ } 4
x
3
Range = { : 2y −≤ y ≤ } 2
2 x
y =
2
1 12. y
(2, 1)
3 3
-2 -1 0 1 1 2 3 x
-1 2 2
(-2,-1) x=2
-2 } } -2 -1 -1 1 1 1 2 3 x

Domain =
Mathematics for Secondary Schools 10. -2 -1 0 1 2 y=x -4 Domain = { :xx ≤ } 2 y=-2
{ :xx∈
0 0
{ :yy∈
Range =
y
-2
3
-3
2
2
1

4 x
3
-4
-1
-2
-3 Range = { :yy ≥− } 2
-4

176 Student\s Book Form Three

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MATHEMATIC F3 SB.indd 176 18/09/2025 10:00:06
MATHEMATIC F3 SB.indd 176