WOLFRAM
|
DEMONSTRATIONS PROJECT
Simple Rational Functions
​
r
a
n
g
e
2
0
v
a
r
i
a
b
l
e
s
i
n
(
x
-
a
)
(
x
-
b
)
(
x
-
c
)
(
x
-
d
)
a
6
b
5
c
4
d
1
a
s
y
m
p
t
o
t
e
s
A
r
a
t
i
o
n
a
l
f
u
n
c
t
i
o
n
i
s
t
h
e
q
u
o
t
i
e
n
t
o
f
t
w
o
p
o
l
y
n
o
m
i
a
l
s
.
T
h
i
s
D
e
m
o
n
s
t
r
a
t
i
o
n
p
l
o
t
s
r
a
t
i
o
n
a
l
f
u
n
c
t
i
o
n
s
o
f
t
h
e
f
o
r
m
(
x
-
a
)
(
x
-
b
)
(
x
-
c
)
(
x
-
d
)
.
U
s
e
t
h
e
c
h
e
c
k
b
o
x
t
o
t
u
r
n
a
s
y
m
p
t
o
t
e
s
o
n
a
n
d
o
f
f
.
