1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
-
2
-
2
-
3
-
3
-
4
-
4
-
5
-
5
-
6
-
6
-
7
-
7
-
8
-
8
-
9
-
9
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
-
2
-
2
-
3
-
3
-
4
-
4
-
5
-
5
-
6
-
6
-
7
-
7
-
8
-
8
-
9
-
9
y
y
x
x
y
=
f
(
x
)
y=f(x)
Match each expression with its value.

3
33
7
77
−
3
−3minus, 3
Undefined
f
(
−
3.0001
)
f(−3.0001)f, left parenthesis, minus, 3, point, 0001, right parenthesis

f
(
3.999
)
f(3.999)f, left parenthesis, 3, point, 999, right parenthesis

f
(
4.0001
)
f(4.0001)f, left parenthesis, 4, point, 0001, right parenthesis

f
(
9
)
f(9)f, left parenthesis, 9, right parenthesis