44 Functions (Chapter 2)
For example, consider the domains in the table opposite:
Click on the icon to obtain software for finding the
domain and range of different functions.
f(x) Natural domain
x^2 x 2 R
p
x x> 0
1
x
x 6 =0
1
p
x
x> 0
Example 5 Self Tutor
For each of the following graphs, state the domain and range:
ab
ab
EXERCISE 2C
1 For each of the following graphs, state the domain and range:
abc
de f
gh i
DOMAIN AND
RANGE
y
x
(4 3),
(8 -2),
O
y
x
(-1 3),
O
Domain is fx:x 68 g
Range is fy:y>¡ 2 g
Domain is fx:x 2 Rg
Range is fy:y>¡ 1 g
y
x
(2 -1),
O
y
x
(0 2),
O
y
x
(1 -1),
O
y
x
(6)Qw, Qr
O
y
x
(2 -2),
(-1 2),
(-4 -3),
O
y
x
y=-2
O
y
x
x = -2 x = 2
-1
O
y
x
y=-1
x=2
O
y
x
(-1 1),
(5 3),
O
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Additional Mathematics
Y:\HAESE\CAM4037\CamAdd_02\044CamAdd_02.cdr Thursday, 19 December 2013 5:47:58 PM BRIAN