TUT 4
-
tank
6 a) f Cx ) =
scz 4
-
.
f Cx ) =
FIFTH
* Look where function DNE
at
points
①
- '
anfotidaies
V. A
tht Tk
r
where KEK
.
X=2&x=↳ µ
x =
XZ -
4=0
( x -
2) Getz ) = O
* Check for V. A at these
points
i¥¥:
go
→ ←
V -
co
←
he tank
xx Ee ¥4
he
KKE
try tI
¥77
HE
-
= -
h
a
titty
= -
*
, to
Indeterminate
tank )
¥2 ¥97,7
.
=
=
ooh
)
toff
tank
b = =
FI
-
-
at z
,
tank
=
to = •
x -22-1
¥4 Ot
⇒ -57¥ = a
-
.
II. z+¥n = a
Therefore know there vertical @
asymptotes
,
we one
2=-2
X = 2
where k EZ
x =
I title
, b) g Cx ) =
x -
I -
213C
* where does the numerator not exist ?
* Where is the denominator zero ?
* where does the denominator not exist ?
Candidates
x -
I -
¥ = O x -
-
O
K2 -
x -
L
=
O x = -
I
( K -
2) ( xtc ) =D x =
2
X =
2 x = -
I
X = O
=
-
K t I
b -
x -20 x -
I -
You
Eso
-x¥x
22 x
-
2
2K¥
h
-
K -20
( x -
IF o ¥ =
I =
o
¥
-
X = 2
=
¥2 =
to =
z .
oh
" "
¥zx¥z= ¥ z
=
¥ →
" "
¥ z
-
¥ =
f. = .
o
X = -
I
=
K -2 -
I
=
Is .
. ¥ =
I =
's
-
tank
6 a) f Cx ) =
scz 4
-
.
f Cx ) =
FIFTH
* Look where function DNE
at
points
①
- '
anfotidaies
V. A
tht Tk
r
where KEK
.
X=2&x=↳ µ
x =
XZ -
4=0
( x -
2) Getz ) = O
* Check for V. A at these
points
i¥¥:
go
→ ←
V -
co
←
he tank
xx Ee ¥4
he
KKE
try tI
¥77
HE
-
= -
h
a
titty
= -
*
, to
Indeterminate
tank )
¥2 ¥97,7
.
=
=
ooh
)
toff
tank
b = =
FI
-
-
at z
,
tank
=
to = •
x -22-1
¥4 Ot
⇒ -57¥ = a
-
.
II. z+¥n = a
Therefore know there vertical @
asymptotes
,
we one
2=-2
X = 2
where k EZ
x =
I title
, b) g Cx ) =
x -
I -
213C
* where does the numerator not exist ?
* Where is the denominator zero ?
* where does the denominator not exist ?
Candidates
x -
I -
¥ = O x -
-
O
K2 -
x -
L
=
O x = -
I
( K -
2) ( xtc ) =D x =
2
X =
2 x = -
I
X = O
=
-
K t I
b -
x -20 x -
I -
You
Eso
-x¥x
22 x
-
2
2K¥
h
-
K -20
( x -
IF o ¥ =
I =
o
¥
-
X = 2
=
¥2 =
to =
z .
oh
" "
¥zx¥z= ¥ z
=
¥ →
" "
¥ z
-
¥ =
f. = .
o
X = -
I
=
K -2 -
I
=
Is .
. ¥ =
I =
's
