Identifying Functions (Tables) Worksheet Template With Answer Key Page 5
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20Identifying Functions (Tables)
Name:
Based ONLY on the information presented, determine if the table describes a function
A n s w e r s
(yes) or not (no). In the table x represents the input and y represents the output.
yes
1)
2)
3)
X
Y
X
Y
X
Y
1.
-40
-10
-4
-2
-9
81
no
-16
-4
-4
3
-8
64
2.
-4
-1
-3
5
3
9
yes
3.
12
3
3
-4
4
16
40
10
5
0
9
81
yes
4.
yes
4)
5)
6)
X
Y
X
Y
X
Y
5.
-6
36
-1
8
9
3
no
6.
-4
24
1
-9
16
-4
-3
18
7
-6
16
4
no
7.
-2
12
9
5
25
5
0
0
10
8
64
-8
yes
8.
no
7)
8)
9)
9.
X
Y
X
Y
X
Y
4
-2
-1
9
-10
-1
yes
10.
9
3
4
14
-1
-10
49
7
6
16
-1
5
yes
11.
64
-8
8
18
2
9
64
8
9
19
9
2
no
12.
no
10)
11)
12)
13.
X
Y
X
Y
X
Y
-9
-5
-9
-6
4
-2
yes
14.
-7
6
-8
-8
4
2
-2
-9
5
-2
9
-3
yes
15.
2
-5
6
-6
81
-9
8
1
8
10
100
10
13)
14)
15)
X
Y
X
Y
X
Y
-7
-3
-10
100
-10
-1
-3
-6
-4
16
-5
4
-2
-7
-3
9
-4
3
4
-4
5
25
-1
1
4
-2
10
100
2
1
1-10 93 87 80 73 67 60 53 47 40 33
Math
3
11-15 27 20 13 7
0
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