is
g-
.
f ( x)
al
.
-
f
-
Y
x
if
!!
Y
-
-
,
it's
×
function
a
value
there
H
for
as
is
only
value
corresponding
every
one
of Y
.
-
X
b)
fix)
¥5
{
-
-
'
if
c) function
-
-
fcxl
-
-
it
× <
2
=
dice
one
a
,
as
each
to
one
34 M2
a
one
yes
,
function
can
to
it
a
is not
function
one
-
to
-
function
one
xz
tree
as
give
many
,
as
only
can
function
34
have
ore
M2
will be
of x
mapped
.
different combinations of
the same sum
function
.
height
.
all values
to
e) not
not
is
,
x -15
it will be
d)
73
x
as
Y
y
f
-
fad
,
it will
x
be
,
f)
NO
( 3 ; 5)
a)
2.
for
as
,
( 8 ;D
some
y
-
-
x
-
values
mxtc
m=fg= ¥
y
-
-
there
O
-
2x -1C
-
-
0.2
.
5=0.213) -1C
4.4
c-
y=
b)
2x-17
d. 2x -14.4
-21011-40=-2×-17
y
y
-
-
-
y
=
-
-
2x
X
-
-
-
-
x
t
H
3.5
intercept
( 3.5;D
co ;7 )
y intercept
c)
y
-
-
-
-
y
-
2x -17
3×-8
2x -17=3×-8
-
.
5x= -15
-
X =3
y
-
3137-8=1
point of
.
intersection ( 3 ;D
a
2
corresponding
values
of
y
.
d) y= -10×-18
( I ;2 )
y
-
-
-
10x -1C
.
2=-10 -1C
C -12
y=
et
-
Ll ;
-
10x -42
; I
41
-3
ax2tbxtc=y
-20 )
;
-
3)
'
t
12151
.
.
ACL ) -18-10=-4
al
;
lol
-
3)
.
tc= -20
212-1612 ) -10=5
al
Atb -10=-4
9. a
.
-
-
-
za
8A
-146=16
3btc= -20
-
Ya -128-10=5
-
→
→
-
f=
-
g
8A -146=16
3A
-
b=
-
g
L
f
-
-
-
-
8A
g
-
Ba
-1419-391=16
8A -136
-
6=9-3--6
.
Wa
A -_
-
=
I
.
Ka -46
-
20
c= -4
-
I -6=-11
y=x2t6x
-
II
We
3
.
6km
-
10km
y
-
-
EUR12
-
at
.
EUR 18
bx
.
where
the
a is
every
×
b the
out
call
kilometer travelled
cost
of
18
at
=
at
66
106
A
A
.
12-66=18
-
-
-
-
-
,
L kilometer
and y the total
I 2=
fee ,
cost
.
12-66
18
lob
-
.
lob
48--6
f
a
=
-
12
L
.
-
5
6×1.5=3
,
i
.
y
-
fee
call
out
per
kilometer
is
EUR3 and
charge
3-11.5×15=25.5 E-
Trip of
15km would cost
EUR25.5
.
is
2. 5E
,