Cambridge Additional Mathematics

458 Answers

hDomain=fx:x 2 Rg, Range=fy:y>¡ 2 g

i Domain=fx:x 6 =§ 2 g,

Range=fy:y 6 ¡ 1 ory> 0 g

2af(x)defined forx>¡ 6 , Domain=fx:x>¡ 6 g

bf(x)defined forx 6 =0, Domain=fx:x 6 =0g

c f(x)defined forx<^32 , Domain=fx:x<^32 g

3aDomain=fx:x 2 Rg, Range=fy:y 2 Rg

bDomain=fx:x 2 Rg, Range=f 3 g

c Domain=fx:x> 0 g, Range=fy:y> 0 g

dDomain=fx:x 6 =¡ 1 g, Range=fy:y 6 =0g

eDomain=fx:x> 0 g, Range=fy:y< 0 g

f Domain=fx:x 6 =3g, Range=fy:y 6 =0g

4a Domain=fx:x> 2 g

Range=fy:y> 0 g

b Domain=fx:x 6 =0g

Range=fy:y> 0 g

c Domain=fx:x 64 g

Range=fy:y> 0 g

d Domain=fx:x 2 Rg

Range=fy:y>¡ 214 g

e Domain=fx:x 2 Rg

Range=fy:y> 2 g

f Domain=fx:x 6 ¡ 2

orx> 2 g

Range=fy:y> 0 g

g Domain=fx:x 2 Rg

Range=fy:y 62512 g

h Domain=fx:x 6 =0g

Range=fy:y 6 ¡ 2

ory> 2 g

i Domain=fx:x 6 =2g

Range=fy:y 6 =1g

j Domain=fx:x 2 Rg

Range=fy:y 2 Rg

k Domain=fx:x 6 =¡ 1

andx 6 =2g

Range=fy:y (^613)
ory> 3 g
l Domain=fx:x 6 =0g
Range=fy:y> 2 g
m Domain=fx:x 6 =0g
Range=fy:y 6 ¡ 2
ory> 2 g
n Domain=fx:x 2 Rg
Range=fy:y>¡ 8 g
EXERCISE 2D.1
1a 5 b 5 c 4 d 4 e 6 f 0 g^27 h 278
2a 1 b 6 c 4 d 3
3a 2 b¡ 4 c ¡ 6 d ¡ 5
EXERCISE 2D.2
1ax=§ 3 b no solution c x=0
d x=4or¡ 2 e x=¡ 1 or 7 f no solution
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y
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(-1 2), (1 2),
cyan magenta yellow black
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100 100
(^05255075950525507595)
100 100 IB HL OPT
Sets Relations Groups
Y:\HAESE\CAM4037\CamAdd_AN\458CamAdd_AN.cdr Tuesday, 8 April 2014 8:19:16 AM BRIAN