Page 187 - Mathematics_Form_3

Answers

(b) y Domain = { : 3x − ≤ ≤ } 1
x
2
y=1 Range = { :1y ≤ y ≤ } 5
1 1

-3 -2 -1 0 1 2 3 3 4 x
FOR ONLINE READING ONLY
-1 Chapter Two
x=-3 x=3
-2
-3
Exercise 2.1
-4
y=-4
-5 1.
1 −3
Domain = { : 3x − < < } 3
x
2 2
Range = { : 4y −< < } 1
y
−1 3
(c) y −2 4
4
x=y -2y
3 2 2. y
x = y
2 2 5
1 4
3
-1 0 0 1 2 3 4 x 2
-1
1
-2
-1 0 1 1 2 3 4 5 x
-1
Mathematics for Secondary Schools (d) y=5 y 3. (b) x P 2x
x
} 3
{ : 1x − < <
Domain =
} 3
<
y <
{ :0y
Range =
4. (Amina, 17), (Daina, 14),
(Venance, 17), (Juma, 17).
6
5 5
5.
4 4
3
x=-3
2 eggs
1 egg
4 hens
y=1 3 3 2 2 1 1 x=1 2 hens 6
2a 4a
-4 -3 -2 -1 0 1 1 2 x 4 8
-1

180 Student\s Book Form Three

18/09/2025 10:00:07
MATHEMATIC F3 SB.indd 180
MATHEMATIC F3 SB.indd 180 18/09/2025 10:00:07