INEQUALITY
UNDEFINED
EQUATION
NEGATIVE
POSITIVE
SHADING
LINEAR
DASHED
SOLID
BELOW
SLOPE
ABOVE
ZERO
J
V
P
O
S
I
T
I
V
E
P
N
U
U
D
Q
W
X
V
S
E
S
I
U
I
Z
O
W
O
I
W
U
J
P
U
S
N
J
I
I
A
J
U
I
J
E
F
H
H
I
L
Q
D
U
I
N
U
V
S
L
V
T
S
T
U
O
O
N
G
M
S
R
E
T
C
I
P
A
O
E
N
M
I
L
U
J
O
H
E
Q
T
N
I
B
U
E
D
K
H
D
L
X
H
U
A
A
U
E
F
O
A
X
E
T
Y
E
O
V
S
N
G
D
U
A
R
V
U
Z
F
Y
P
H
R
O
Z
E
N
F
I
R
L
E
O
I
I
O
W
S
E
O
N
L
O
Y
B
N
A
I
U
L
N
D
R
A
Z
D
D
D
I
X
G
E
G
I
T
X
E
E
D
D
D
E
I
Q
T
P
S
W
E
U
X
Y
D
N
G
I
Q
Y
H
C
A
B
E
L
O
W
H
Q
O
Z
L
N
F
H
G
J
U
I
I
L
O
H
E
O
N
O
I
A
K
J
F
U
Q
O
R
V
S
P
U
W
S
Q
S
T
R
O
T
W
E
E
C
A
X
I
E
L
